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Round|Natural|GIA

0.90ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6551116895

Certificate GIA 6551116895

Diamond specifications and retailer prices

From £636 GBP
SGD 1,145 SGD
As of October 29, 2026
Save £530 GBP (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,166 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551116895. Listed at 12 retailers as of October 26, 2026, with prices from £636 to £1,166, a £530 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,166. 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

0.90
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551116895
Dimensions6.13 × 3.88 × 3.88 mm
L/W Ratio1.58
Top View
6.13 mm3.88 mm0.90 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551116895
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £821 GBP|Low: £636 GBP|High: £1,218 GBP|Avg: £889 GBP|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 29, 2026
Retailer 5£636 GBP
Retailer 7£707 GBP
Retailer 8£721 GBP
Retailer 9£758 GBP
Retailer 10£771 GBP
Retailer 1£821 GBP
Retailer 3£888 GBP
Retailer 6£982 GBP
Retailer 4£1,023 GBP
Retailer 2£1,076 GBP
Wholesale Diamonds Direct£1,166 GBP

33 data points across 11 retailers

12 retailers£636 GBP to £1,166 GBP

A
Cheapest Retailer
-
£636 GBP
SGD 1,145 SGD
A
Retailer 2
-
£707 GBP
$942 USD
View
A
Retailer 3
-
£721 GBP
$960 USD
View
A
Retailer 4
-
£758 GBP
$1,010 USD
View
A
Retailer 5
-
£771 GBP
SGD 1,388 SGD
View
A
Retailer 6
-
£821 GBP
View
A
Retailer 7
-
£888 GBP
$1,183 USD
View
B+
Retailer 8
-
£956 GBP
$1,273 USD
View
B+
Retailer 9
-
£982 GBP
View
B+
Retailer 10
-
£1,023 GBP
€1,297 EUR
View
B+
Retailer 11
-
£1,076 GBP
$1,432 USD
View
Most Expensive
B
Wholesale Diamonds Direct
539238923 · Oct 26
£1,166 GBP
$1,553 USD
View
11 more retailers have this diamond
Prices start from £636 GBPSave up to £530 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.

A
0.90ct Round
£636 GBP