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Round|Natural|GIA

3.07ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6551418339

Certificate GIA 6551418339

Diamond specifications and retailer prices

From £17,235 GBP
$23,093 USD
As of October 31, 2026
Save £8,931 GBP (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £26,166 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.07ct natural round diamond

This 3.07ct 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 6551418339. Listed at 6 retailers as of October 31, 2026, with prices from £17,235 to £26,166, a £8,931 spread on the same certified stone. MOH London lists it at £26,166. 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

3.07
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6551418339
Dimensions9.20 × 9.25 × 5.80 mm
L/W Ratio1.01
Star length45%
Key to symbols
Crystal
Top View
9.20 mm9.25 mm3.07 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6551418339
Side View
Table 56.0%Crown 35.5°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 62.8%

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: Oct 31
Current: £26,166 GBP|Low: £14,971 GBP|High: £26,482 GBP|Avg: £20,277 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4£17,235 GBP
Retailer 3£17,723 GBP
Retailer 6£17,960 GBP
Retailer 2£19,729 GBP
Retailer 5£23,736 GBP
MOH London£26,166 GBP

26 data points across 6 retailers

6 retailers£17,235 GBP to £26,166 GBP

B+
Cheapest Retailer
-
£17,235 GBP
$23,093 USD
B+
Retailer 2
-
£17,723 GBP
$23,747 USD
View
Final sale: no returns
B+
Retailer 3
-
£17,960 GBP
$24,065 USD
View
B+
Retailer 4
-
£19,729 GBP
€25,176 EUR
View
B
Retailer 5
-
£23,736 GBP
$31,803 USD
View
Most Expensive
B
MOH London
876DEC6B7 · Nov 1
£26,166 GBP
View
5 more retailers have this diamond
Prices start from £17,235 GBPSave up to £8,931 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+
3.07ct Round
£17,235 GBP