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Radiant|Natural|GIA

1.21ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 7566208623

Certificate GIA 7566208623

Diamond specifications and retailer prices

From £2,657 GBP
As of November 4, 2026
Save £2,106 GBP (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,764 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7566208623. Listed at 12 retailers as of November 4, 2026, with prices from £2,657 to £4,764, a £2,106 spread on the same certified stone. Wholesale Diamonds Direct lists it at £4,764. 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

1.21
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7566208623
Dimensions7.71 × 5.36 × 3.44 mm
L/W Ratio1.44
Culet sizeNone
Top View
7.71 mm5.36 mm1.21 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566208623
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,067 GBP|Low: £2,657 GBP|High: £4,764 GBP|Avg: £3,362 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 7, 2026
Retailer 10£2,657 GBP
Retailer 6£2,722 GBP
Retailer 8£2,840 GBP
Retailer 7£2,873 GBP
Retailer 3£2,901 GBP
Retailer 1£3,067 GBP
Retailer 2£3,372 GBP
Retailer 11£3,402 GBP
Retailer 5£3,423 GBP
Retailer 4£3,687 GBP
Retailer 9£4,761 GBP
Wholesale Diamonds Direct£4,764 GBP

41 data points across 12 retailers

12 retailers£2,657 GBP to £4,764 GBP

B+
Cheapest Retailer
-
£2,657 GBP
B+
Retailer 2
-
£2,722 GBP
View
B+
Retailer 3
-
£2,840 GBP
View
Retailer 4
-
£2,873 GBP
View
Price last confirmed 13 days ago
B+
Retailer 5
-
£2,901 GBP
View
B+
Retailer 6
-
£3,067 GBP
View
B+
Retailer 7
-
£3,372 GBP
View
B+
Retailer 8
-
£3,402 GBP
View
B+
Retailer 9
-
£3,423 GBP
View
B+
Retailer 10
-
£3,687 GBP
View
B
Retailer 11
-
£4,761 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
369337217 · Nov 6
£4,764 GBP
$6,377 USD
View
11 more retailers have this diamond
Prices start from £2,657 GBPSave up to £2,106 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+
1.21ct Radiant
£2,657 GBP