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Radiant|Natural|IGI

0.91ct F SI2 Radiant Natural Diamond

EX • F/SI2 • IGI 815675550

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 815675550

Diamond specifications and retailer prices

From £643 GBP
$863 USD
As of October 25, 2026
8 retailers carry this diamond
Most expensive: £1,937 GBP at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 0.91ct natural radiant diamond

This 0.91ct natural radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 815675550. Listed at 8 retailers as of September 30, 2026. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle33°
OriginNatural
Grading LabIGI
CertificateIGI 815675550
Dimensions6.29 × 4.87 × 3.32 mm
L/W Ratio1.29
Girdle conditionFaceted
Top View
6.29 mm4.87 mm0.91 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815675550
Side View
Table 66.0%Crown 44.2°Girdle: Slightly ThickPavilion 33°CuletDepth 68.2%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 25
Current: £892 GBP|Low: £586 GBP|High: £1,473 GBP|Avg: £940 GBP|-18.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 5£586 GBP
Retailer 4£643 GBP
Retailer 6£794 GBP
Retailer 3£840 GBP
Retailer 1£892 GBP
Retailer 2£1,166 GBP

18 data points across 6 retailers

8 retailers£643 GBP to £1,937 GBP

Retailer 1
-
£643 GBP
$863 USD
Price last confirmed 8 days ago
Retailer 2
-
£794 GBP
$1,066 USD
View
Price last confirmed 25 days ago
Retailer 3
-
£794 GBP
$1,066 USD
View
Price last confirmed 17 days ago
Retailer 4
-
£825 GBP
$1,107 USD
View
Price last confirmed 32 days ago
Retailer 5
-
£840 GBP
View
Price last confirmed 7 days ago
Retailer 6
-
£917 GBP
$1,230 USD
View
Price last confirmed 24 days ago
Retailer 7
-
£1,166 GBP
View
Price last confirmed 7 days ago
Most Expensive
NZ Jewellers
18e0922a-176f-42f1-b4dc-5ea88bf52292 · Sep 30
£1,937 GBP
$2,600 USD
View
Price last confirmed 33 days ago
7 more retailers have this diamond

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.

0.91ct Radiant
£643 GBP