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Round|Natural|GIA

3.38ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2566718423

Certificate GIA 2566718423

Diamond specifications and retailer prices

From £17,860 GBP
₹2,279,090 INR
As of October 31, 2026
Save £2,286 GBP (11%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £20,146 GBP at William & Sons Jewelers · As of October 31, 2026
View at William & Sons Jewelers

About this 3.38ct natural round diamond

This 3.38ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566718423. Listed at 2 retailers as of October 31, 2026, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.38
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566718423
Dimensions9.49 × 9.55 × 5.95 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.49 mm9.55 mm3.38 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566718423
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £17,860 GBP|Low: £17,860 GBP|High: £20,146 GBP|Avg: £19,311 GBP
Retailer 1
Retailer 2
William & Sons Jewelers
October 31, 2026
Retailer 1£17,860 GBP
Retailer 2£19,620 GBP
William & Sons Jewelers£20,146 GBP

2 data points across 3 retailers

2 retailers£17,860 GBP to £20,146 GBP

B+
Cheapest Retailer
-
£17,860 GBP
₹2,279,090 INR
Most Expensive
B+
William & Sons Jewelers
cert_2566718423 · Oct 31
£20,146 GBP
$26,993 USD
View
Final sale: no returns
1 more retailer has this diamond
Prices start from £17,860 GBPSave up to £2,286 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
3.38ct Round
£17,860 GBP