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6.25 Carat Diamond Tennis Necklace

At Oliver Smith Jeweler, we have built our reputation on sourcing the finest natural diamonds. Each diamond in our tennis necklaces is carefully selected for exceptional cut, brilliance, and integrity, and then offered at a fair price.

Through direct sourcing and a lower-margin philosophy, we deliver remarkable value from our home in Scottsdale while competing on a global stage.

As a trusted diamond wholesaler for over forty years specializing in timeless classics, we create pieces designed to endure for generations.


Available in:
  • 14K or 18K White Gold
  • 14K or 18K Yellow Gold

Our website offers a sampling of our available diamond classic designs. Pictures reflect the stated size and quality but may not represent the exact carat size currently available.

Our team will work closely with you to discuss current inventory and available carat sizes, grading, and designs. Begin your diamond classic journey by chatting with a team member now.


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Our Diamond Difference

Size Guide

Rings

US Ring Size UK Ring Size Inside Circumference (mm)
3 3 14.1
3.5 3.5 14.5
4 4 14.9
4.5 4.5 15.3
5 5 15.7
5.5 5.5 16.1
6 6 16.5
6.5 6.5 16.9
7 7 17.3
7.5 7.5 17.7
8 8 18.1
8.5 8.5 18.5
9 9 18.9
9.5 9.5 19.4
10 10 19.8
10.5 10.5 20.2
11 11 20.6
11.5 11.5 21.0
12 12 21.4
12.5 12.5 21.8
13 13 22.2

Bracelets

Tiffany Size Wrist Diameter (in) Wrist Diameter (cm)
Extra Small 4.76 - 5.25 12.1 - 13.3
Small 5.26 - 5.75 13.4 - 14.6
Medium 5.76 - 6.25 14.6 - 15.9
Large 6.26 - 6.75 15.9 - 17.1
Extra Large 6.76 - 7.25 17.2 - 18.4
Extra Extra Large 7.26 - 7.75 18.4 - 19.7
Extra Extra Extra Large 7.76 - 8.25 19.7 - 21

Necklaces & Pendants

Length (in) Length (cm)
16 40.50
18 45.75
20 50.75
24 61.00
30 76.25
36 91.50