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Round|Natural|GIA

3.04ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6422445942

Certificate GIA 6422445942

Diamond specifications and retailer prices

From £20,273 GBP
$27,163 USD
As of November 1, 2026
Save £5,710 GBP (22%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £25,983 GBP at Yorxs · As of November 1, 2026
View at Yorxs

About this 3.04ct natural round diamond

This 3.04ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6422445942. Listed at 8 retailers as of November 1, 2026, with prices from £20,273 to £25,983, a £5,710 spread on the same certified stone. Yorxs lists it at £25,983. 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

3.04
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6422445942
Dimensions9.22 × 9.27 × 5.76 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
9.22 mm9.27 mm3.04 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422445942
Side View
Table 59.0%Crown 33.5°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £24,218 GBP|Low: £19,717 GBP|High: £29,480 GBP|Avg: £23,143 GBP|-10.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 1, 2026
Retailer 4£20,273 GBP
Retailer 2£21,688 GBP
Retailer 3£22,566 GBP
Retailer 6£23,315 GBP
Retailer 7£23,315 GBP
Retailer 5£24,092 GBP
Retailer 1£24,218 GBP
Yorxs£25,983 GBP

34 data points across 8 retailers

8 retailers£20,273 GBP to £25,983 GBP

B+
Cheapest Retailer
-
£20,273 GBP
$27,163 USD
B
Retailer 2
-
£21,688 GBP
$29,060 USD
View
Final sale: no returns
B
Retailer 3
-
£22,566 GBP
$30,236 USD
View
B
Retailer 4
-
£23,315 GBP
$31,240 USD
View
B
Retailer 5
-
£23,315 GBP
$31,240 USD
View
B
Retailer 6
-
£24,092 GBP
$32,280 USD
View
B
Retailer 7
-
£24,218 GBP
View
Most Expensive
B
Yorxs
900-10-33688 · Nov 1
£25,983 GBP
€33,156 EUR
View
7 more retailers have this diamond
Prices start from £20,273 GBPSave up to £5,710 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+
3.04ct Round
£20,273 GBP