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Radiant|Natural|GIA

1.02ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1553407404

Certificate GIA 1553407404

Diamond specifications and retailer prices

From £1,631 GBP
As of November 4, 2026
Save £2,257 GBP (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,888 GBP at NZ Jewellers · As of November 5, 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 G 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 1553407404. Listed at 17 retailers as of November 4, 2026, with prices from £1,631 to £3,888, a £2,257 spread on the same certified stone. NZ Jewellers lists it at £3,888. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
OriginNatural
Grading LabGIA
CertificateGIA 1553407404
Dimensions7.21 × 5.04 × 3.43 mm
L/W Ratio1.43
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.21 mm5.04 mm1.02 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553407404
Side View
Table 67.0%Crown 46.6°GirdlePavilionCulet: NoneDepth 68.0%

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: Nov 4
Current: £3,888 GBP|Low: £1,631 GBP|High: £4,071 GBP|Avg: £2,157 GBP|-4.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 7, 2026
Retailer 6£1,631 GBP
Retailer 4£1,680 GBP
Retailer 5£1,716 GBP
Retailer 15£1,792 GBP
Retailer 9£1,804 GBP
Retailer 13£1,845 GBP
Retailer 8£1,860 GBP
Retailer 16£1,860 GBP
Retailer 7£1,945 GBP
Retailer 3£1,964 GBP
Retailer 2£1,968 GBP
Retailer 14£2,146 GBP
Retailer 11£2,270 GBP
Retailer 10£2,309 GBP
Retailer 12£3,249 GBP
NZ Jewellers£3,888 GBP

29 data points across 16 retailers

17 retailers£1,631 GBP to £3,888 GBP

A
Cheapest Retailer
-
£1,631 GBP
A
Retailer 2
-
£1,680 GBP
View
A
Retailer 3
-
£1,716 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,792 GBP
View
A
Retailer 5
-
£1,804 GBP
View
A
Retailer 6
-
£1,845 GBP
View
Retailer 7
-
£1,860 GBP
View
Price last confirmed 9 days ago
A
Retailer 8
-
£1,860 GBP
View
B+
Retailer 9
-
£1,945 GBP
View
B+
Retailer 10
-
£1,964 GBP
View
B+
Retailer 11
-
£1,968 GBP
View
B+
Retailer 12
-
£2,146 GBP
View
B+
Retailer 13
-
£2,270 GBP
View
Retailer 14
-
£2,279 GBP
View
Price last confirmed 31 days ago
B+
Retailer 15
-
£2,309 GBP
View
B
Retailer 16
-
£3,249 GBP
View
Most Expensive
B
NZ Jewellers
1c4db2b2-0bbe-467f-a70a-815089368686 · Nov 5
£3,888 GBP
$5,204 USD
View
16 more retailers have this diamond
Prices start from £1,631 GBPSave up to £2,257 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
£1,631 GBP