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  1. Jewelry
  2. Necklaces and Chains
  3. Diamond Necklaces

Diamond Necklaces

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Diamond Necklaces
  • Cable Necklaces
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  • Pearl Necklaces
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In stock
In stock Roberto Coin Diamond Love Letter \B\ Necklace available at Blue Marlin Jewelry, Inc.
Roberto Coin Diamond Love Letter "B" Necklace
$910.00
Ships Today (if ordered by 4:00 pm EST)
Roberto Coin Diamond Love Letter "B" Necklace
$910.00
Ships Today (if ordered by 4:00 pm EST)

TINY TREASURES
Tiny Treasures is a collection of whimsical 18K gold and diamond pendants by Ro...

In stock
In stock Roberto Coin Diamond Love Letter \F\ Necklace available at Blue Marlin Jewelry, Inc.
Roberto Coin Diamond Love Letter "F" Necklace
$910.00
Ships Today (if ordered by 4:00 pm EST)
Roberto Coin Diamond Love Letter "F" Necklace
$910.00
Ships Today (if ordered by 4:00 pm EST)

TINY TREASURES
Tiny Treasures is a collection of whimsical 18K gold and diamond pendants by Ro...

In stock
In stock Roberto Coin Diamond Love Letter \A\ Necklace available at Blue Marlin Jewelry, Inc.
Roberto Coin Diamond Love Letter "A" Necklace
$910.00
Ships Today (if ordered by 4:00 pm EST)
Roberto Coin Diamond Love Letter "A" Necklace
$910.00
Ships Today (if ordered by 4:00 pm EST)

TINY TREASURES
Tiny Treasures is a collection of whimsical 18K gold and diamond pendants by Ro...

In stock
In stock Roberto Coin Diamond Love Letter \H\ Necklace available at Blue Marlin Jewelry, Inc.
Roberto Coin Diamond Love Letter "H" Necklace
$910.00
Ships Today (if ordered by 4:00 pm EST)
Roberto Coin Diamond Love Letter "H" Necklace
$910.00
Ships Today (if ordered by 4:00 pm EST)

TINY TREASURES
Tiny Treasures is a collection of whimsical 18K gold and diamond pendants by Ro...

In stock
In stock Roberto Coin Diamond Love Letter \W\ Necklace available at Blue Marlin Jewelry, Inc.
Roberto Coin Diamond Love Letter "W" Necklace
$910.00
Ships Today (if ordered by 4:00 pm EST)
Roberto Coin Diamond Love Letter "W" Necklace
$910.00
Ships Today (if ordered by 4:00 pm EST)

TINY TREASURES
Tiny Treasures is a collection of whimsical 18K gold and diamond pendants by Ro...

In stock
In stock Roberto Coin Diamond Love Letter \E\ Necklace available at Blue Marlin Jewelry, Inc.
Roberto Coin Diamond Love Letter "E" Necklace
$910.00
Ships in 2 Business Days
Roberto Coin Diamond Love Letter "E" Necklace
$910.00
Ships in 2 Business Days

TINY TREASURES
Tiny Treasures is a collection of whimsical 18K gold and diamond pendants by Ro...

In stock
In stock Diamond Necklace available at Blue Marlin Jewelry, Inc.
Diamond Necklace
$12,500.00
As low as: $1,041.67 for 12 months
Ships Today (if ordered by 4:00 pm EST)
Diamond Necklace
$12,500.00
As low as: $1,041.67 for 12 months
Ships Today (if ordered by 4:00 pm EST)

Royal I 18kr adjustable necklace with .90ct Diamond

In stock
In stock
In stock 14k Gold and Diamond Flower Pendant/Necklace available at Blue Marlin Jewelry, Inc.
14k Gold and Diamond Flower Pendant/Necklace
$775.00
Ships Today (if ordered by 4:00 pm EST)
14k Gold and Diamond Flower Pendant/Necklace
$775.00
Ships Today (if ordered by 4:00 pm EST)

Wear this necklace with your favorite floral dress for the perfect romantic garden party look.

In stock
In stock
In stock 14k White Gold and Diamond Floral Inspired Cluster Necklace available at Blue Marlin Jewelry, Inc.
14k White Gold and Diamond Floral Inspired Cluster Necklace
$1,175.00
As low as: $97.92 for 12 months
Ships Today (if ordered by 4:00 pm EST)
14k White Gold and Diamond Floral Inspired Cluster Necklace
$1,175.00
As low as: $97.92 for 12 months
Ships Today (if ordered by 4:00 pm EST)

Inspired by the beauty of the laurel leaf, round diamonds are set in 14k gold to create this roma...

In stock
In stock Blue Marlin Signature Diamond Necklace available at Blue Marlin Jewelry, Inc.
Blue Marlin Signature Diamond Necklace
$8,580.00
As low as: $715.00 for 12 months
Ships Today (if ordered by 4:00 pm EST)
Blue Marlin Signature Diamond Necklace
$8,580.00
As low as: $715.00 for 12 months
Ships Today (if ordered by 4:00 pm EST)

18K White Gold/Palladium 1.50TDW 6 Stone Diamond Cross Necklace

In stock
In stock Willow Diamond Necklace available at Blue Marlin Jewelry, Inc.
Willow Diamond Necklace
$3,850.00
As low as: $320.83 for 12 months
Ships Today (if ordered by 4:00 pm EST)
Willow Diamond Necklace
$3,850.00
As low as: $320.83 for 12 months
Ships Today (if ordered by 4:00 pm EST)

18K White Gold, .50tdw Diamond Solo Pear Necklace

In stock
In stock Mixed Shape Diamond Necklace available at Blue Marlin Jewelry, Inc.
Mixed Shape Diamond Necklace
$5,500.00
As low as: $458.33 for 12 months
Ships Today (if ordered by 4:00 pm EST)
Mixed Shape Diamond Necklace
$5,500.00
As low as: $458.33 for 12 months
Ships Today (if ordered by 4:00 pm EST)

14K White Gold Mixed Laser Drilled Diamond Necklace

14K White Gold
Diamond 1.26ct.

In stock
In stock Mixed Shape Diamond Necklace available at Blue Marlin Jewelry, Inc.
Mixed Shape Diamond Necklace
$5,543.00
As low as: $461.92 for 12 months
Ships Today (if ordered by 4:00 pm EST)
Mixed Shape Diamond Necklace
$5,543.00
As low as: $461.92 for 12 months
Ships Today (if ordered by 4:00 pm EST)

14K White Gold Mixed Laser Drilled Diamond Necklace

14K White Gold
Diamond 1.34ct.

In stock
In stock Willow Diamond Necklace available at Blue Marlin Jewelry, Inc.
Willow Diamond Necklace
$6,050.00
As low as: $504.17 for 12 months
Ships Today (if ordered by 4:00 pm EST)
Willow Diamond Necklace
$6,050.00
As low as: $504.17 for 12 months
Ships Today (if ordered by 4:00 pm EST)

18K Pave Pear Shaped 1.02tdw Diamond Necklace

In stock
In stock Blue Marlin Signature Diamond Necklace available at Blue Marlin Jewelry, Inc.
Blue Marlin Signature Diamond Necklace
$5,685.00
As low as: $473.75 for 12 months
Ships in 2 Business Days
Blue Marlin Signature Diamond Necklace
$5,685.00
As low as: $473.75 for 12 months
Ships in 2 Business Days

18K White Gold/Palladium Diamond Illusion Necklace 1.31tdw 22" Adjustable Chain

In stock
In stock
Judith Ripka Max Station Sapphire and Diamond Necklace available at Blue Marlin Jewelry, Inc.
In stock
Judith Ripka Max Station Sapphire and Diamond Necklace available at Blue Marlin Jewelry, Inc.
In stock
Judith Ripka Max Station Sapphire and Diamond Necklace available at Blue Marlin Jewelry, Inc.
In stock
Judith Ripka Max Station Sapphire and Diamond Necklace available at Blue Marlin Jewelry, Inc.
Judith Ripka Max Station Sapphire and Diamond Necklace
$950.00 $617.50Original price: $950.00, now on sale for $617.50
Ships in 2 Business Days
Judith Ripka Max Station Sapphire and Diamond Necklace
$950.00 $617.50Original price: $950.00, now on sale for $617.50
Ships in 2 Business Days

With sweeping geometric designs in sterling silver and precious gemstones, the Max collection cre...

In stock
In stock
Diamond Fleur De Lis Pendant/Necklace available at Blue Marlin Jewelry, Inc.
In stock
Diamond Fleur De Lis Pendant/Necklace available at Blue Marlin Jewelry, Inc.
In stock
Diamond Fleur De Lis Pendant/Necklace available at Blue Marlin Jewelry, Inc.
In stock
Diamond Fleur De Lis Pendant/Necklace available at Blue Marlin Jewelry, Inc.
In stock
Diamond Fleur De Lis Pendant/Necklace available at Blue Marlin Jewelry, Inc.
Diamond Fleur De Lis Pendant/Necklace
$2,010.00
As low as: $167.50 for 12 months
Ships in 2 Business Days
Diamond Fleur De Lis Pendant/Necklace
$2,010.00
As low as: $167.50 for 12 months
Ships in 2 Business Days

14KW .14tdw FLEUR DE LIS 18"ADJ NECKLACE

In stock
In stock
Roberto Coin Petite Venetian Princess Flower with Diamonds available at Blue Marlin Jewelry, Inc.
In stock
Roberto Coin Petite Venetian Princess Flower with Diamonds available at Blue Marlin Jewelry, Inc.
In stock
Roberto Coin Petite Venetian Princess Flower with Diamonds available at Blue Marlin Jewelry, Inc.
In stock
Roberto Coin Petite Venetian Princess Flower with Diamonds available at Blue Marlin Jewelry, Inc.
In stock
Roberto Coin Petite Venetian Princess Flower with Diamonds available at Blue Marlin Jewelry, Inc.
Roberto Coin Petite Venetian Princess Flower with Diamonds
$1,750.00
As low as: $145.83 for 12 months
Ships in 2 Business Days
Roberto Coin Petite Venetian Princess Flower with Diamonds
$1,750.00
As low as: $145.83 for 12 months
Ships in 2 Business Days

VENETIAN PRINCESS
The timeless combination of black and white diamonds elevate this collection...

In stock
In stock Roberto Coin Diamond Love Letter \D\ Necklace available at Blue Marlin Jewelry, Inc.
Roberto Coin Diamond Love Letter "D" Necklace
$910.00
Ships in 2 Business Days
Roberto Coin Diamond Love Letter "D" Necklace
$910.00
Ships in 2 Business Days

TINY TREASURES
Tiny Treasures is a collection of whimsical 18K gold and diamond pendants by Ro...

In stock
In stock
In stock Diamond Cluster Necklace available at Blue Marlin Jewelry, Inc.
Diamond Cluster Necklace
$2,500.00
As low as: $208.33 for 12 months
Ships in 2 Business Days
Diamond Cluster Necklace
$2,500.00
As low as: $208.33 for 12 months
Ships in 2 Business Days

14KW 20" 1.44 TDW BEZEL SET CLUSTER NECKLACE

In stock
In stock Roberto Coin Diamond Love Letter \N\ Necklace available at Blue Marlin Jewelry, Inc.
Roberto Coin Diamond Love Letter "N" Necklace
$910.00
Ships in 2 Business Days
Roberto Coin Diamond Love Letter "N" Necklace
$910.00
Ships in 2 Business Days

TINY TREASURES
Tiny Treasures is a collection of whimsical 18K gold and diamond pendants by Ro...

In stock
In stock Roberto Coin Diamond Love Letter \Y Necklace available at Blue Marlin Jewelry, Inc.
Roberto Coin Diamond Love Letter "Y' Necklace
$910.00
Ships Today (if ordered by 4:00 pm EST)
Roberto Coin Diamond Love Letter "Y' Necklace
$910.00
Ships Today (if ordered by 4:00 pm EST)

TINY TREASURES
Tiny Treasures is a collection of whimsical 18K gold and diamond pendants by Ro...

In stock
In stock Kattan Diamond Necklace available at Blue Marlin Jewelry, Inc.
Kattan Diamond Necklace
$1,925.00
As low as: $160.42 for 12 months
Ships in 2 Business Days
Kattan Diamond Necklace
$1,925.00
As low as: $160.42 for 12 months
Ships in 2 Business Days

14KW .52CT Grey Diamond Necklace

In stock
In stock Blue Marlin Signature Diamond Necklace available at Blue Marlin Jewelry, Inc.
Blue Marlin Signature Diamond Necklace
$2,050.00
As low as: $170.83 for 12 months
Ships in 2 Business Days
Blue Marlin Signature Diamond Necklace
$2,050.00
As low as: $170.83 for 12 months
Ships in 2 Business Days

18K Rose Gold/Palladium.17TDW Diamond Circle Pendant with a 18" Adjustable Chain

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81549 Old Hwy
Islamorada, FL 33036-3607
(305) 664-8004
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Key West, FL 33040
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Store Information
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Sunday:11:00am - 6:00pm
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