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Radiant|Natural|GIA

0.91ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 11005892

Certificate GIA 11005892

Diamond specifications and retailer prices

From £1,833 GBP
As of November 1, 2026
Save £1,066 GBP (37%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,898 GBP at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 11005892. Listed at 3 retailers as of November 1, 2026, with prices from £1,833 to £2,898, a £1,066 spread on the same certified stone. MOH London lists it at £2,898. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 11005892
Dimensions6.41 × 5.18 × 3.30 mm
L/W Ratio1.24
Culet sizeNone
Top View
6.41 mm5.18 mm0.91 ctJ / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceStrong
CertificateGIA 11005892
Side View
Table 69.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 63.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: £2,898 GBP|Low: £1,752 GBP|High: £2,933 GBP|Avg: £2,245 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
November 1, 2026
Retailer 2£1,833 GBP
Retailer 3£2,066 GBP
MOH London£2,898 GBP

39 data points across 3 retailers

3 retailers£1,833 GBP to £2,898 GBP

B
Cheapest Retailer
-
£1,833 GBP
B
Retailer 2
-
£2,066 GBP
€2,636 EUR
View
Most Expensive
C
MOH London
F92CD8FED · Nov 1
£2,898 GBP
View
2 more retailers have this diamond
Prices start from £1,833 GBPSave up to £1,066 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
0.91ct Radiant
£1,833 GBP