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Radiant|Natural|GIA

1.02ct D SI2 Radiant Natural Diamond

ID • D/SI2 • GIA 7556423923

Certificate GIA 7556423923

Diamond specifications and retailer prices

From £1,651 GBP
As of November 6, 2026
Save £1,895 GBP (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,546 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.02ct natural radiant diamond

This 1.02ct 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 7556423923. Listed at 8 retailers as of November 3, 2026, with prices from £1,651 to £3,546, a £1,895 spread on the same certified stone. NZ Jewellers lists it at £3,546. 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

1.02
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle47.69°
Pavilion angle32.73°
OriginNatural
Grading LabGIA
CertificateGIA 7556423923
Dimensions6.34 × 4.96 × 3.41 mm
L/W Ratio1.28
Girdle conditionVery Thick
Key to symbols
Crystal
Top View
6.34 mm4.96 mm1.02 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7556423923
Side View
Table 66.0%Crown 47.69°GirdlePavilion 32.73°CuletDepth 68.7%

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: Nov 6
Current: £3,546 GBP|Low: £1,651 GBP|High: £3,581 GBP|Avg: £2,144 GBP|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6£1,651 GBP
Retailer 2£1,677 GBP
Retailer 7£1,696 GBP
Retailer 8£1,733 GBP
Retailer 5£1,774 GBP
Retailer 4£1,902 GBP
Retailer 3£2,971 GBP
NZ Jewellers£3,546 GBP

26 data points across 8 retailers

8 retailers£1,651 GBP to £3,546 GBP

A
Cheapest Retailer
-
£1,651 GBP
A
Retailer 2
-
£1,677 GBP
View
A
Retailer 3
-
£1,696 GBP
View
A
Retailer 4
-
£1,733 GBP
View
A
Retailer 5
-
£1,774 GBP
View
Retailer 6
-
£1,902 GBP
View
Price last confirmed 8 days ago
B
Retailer 7
-
£2,971 GBP
View
Most Expensive
B
NZ Jewellers
24b5d6f9-4b79-4102-b4bd-5157c8022e06 · Nov 3
£3,546 GBP
$4,746 USD
View
7 more retailers have this diamond
Prices start from £1,651 GBPSave up to £1,895 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
1.02ct Radiant
£1,651 GBP