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Radiant|Natural|GIA

0.90ct J SI2 Radiant Natural Diamond

ID • J/SI2 • GIA 5231838740

Certificate GIA 5231838740

Diamond specifications and retailer prices

From $667 USD
As of October 30, 2026
Save $448 USD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,115 USD at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 0.9ct natural radiant diamond

This 0.9ct natural radiant sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231838740. Listed at 6 retailers as of October 30, 2026, with prices from $667 to $1,115, a $448 spread on the same certified stone. 77 Diamonds lists it at $1,115. 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
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5231838740
Dimensions6.17 × 4.76 × 3.37 mm
L/W Ratio1.30
Top View
6.17 mm4.76 mm0.90 ctJ / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5231838740
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 70.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $1,115 USD|Low: $667 USD|High: $1,117 USD|Avg: $838 USD|+0.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 5$667 USD
Retailer 6$669 USD
Retailer 4$737 USD
Retailer 3$783 USD
Retailer 7$876 USD
Retailer 2$1,026 USD
77 Diamonds$1,115 USD

31 data points across 7 retailers

6 retailers$667 USD to $1,115 USD

A
Cheapest Retailer
-
$667 USD
A
Retailer 2
-
$669 USD
View
A
Retailer 3
-
$737 USD
View
A
Retailer 4
-
$783 USD
View
B+
Retailer 5
-
$1,026 USD
View
Most Expensive
B+
77 Diamonds
RADMBM7REUKJU · Oct 31
$1,115 USD
£878 GBP
View
5 more retailers have this diamond
Prices start from $667 USDSave up to $448 USD

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 Radiant
$667 USD