CaratHunter
Plans
Radiant|Natural|GIA

0.91ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 6212305141

Certificate GIA 6212305141

Diamond specifications and retailer prices

From £745 GBP
$998 USD
As of October 28, 2026
Save £718 GBP (49%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,463 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct natural radiant diamond

This 0.91ct 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 6212305141. Listed at 5 retailers as of October 28, 2026, with prices from £745 to £1,463, a £718 spread on the same certified stone. MOH London lists it at £1,463. 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

0.91
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6212305141
Dimensions5.59 × 5.05 × 3.49 mm
L/W Ratio1.11
Top View
5.59 mm5.05 mm0.91 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6212305141
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.1%

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 28
Current: £1,463 GBP|Low: £823 GBP|High: £1,472 GBP|Avg: £1,088 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 4£823 GBP
Retailer 2£946 GBP
Retailer 3£1,114 GBP
MOH London£1,463 GBP

36 data points across 4 retailers

5 retailers£745 GBP to £1,463 GBP

A
Cheapest Retailer
-
£745 GBP
$998 USD
B+
Retailer 2
-
£823 GBP
$1,103 USD
View
B+
Retailer 3
-
£946 GBP
View
B+
Retailer 4
-
£1,114 GBP
€1,422 EUR
View
Most Expensive
B
MOH London
2E39E67C4 · Oct 29
£1,463 GBP
View
4 more retailers have this diamond
Prices start from £745 GBPSave up to £718 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
0.91ct Radiant
£745 GBP