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Radiant|Natural|GIA

1.02ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 3545604063

Certificate GIA 3545604063

Diamond specifications and retailer prices

From £1,231 GBP
$1,649 USD
As of November 1, 2026
Save £2,156 GBP (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,387 GBP at NZ Jewellers · As of October 30, 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 H 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 3545604063. Listed at 17 retailers as of October 30, 2026, with prices from £1,231 to £3,387, a £2,156 spread on the same certified stone. NZ Jewellers lists it at £3,387. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.31°
OriginNatural
Grading LabGIA
CertificateGIA 3545604063
Dimensions6.77 × 5.09 × 3.49 mm
L/W Ratio1.33
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.77 mm5.09 mm1.02 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545604063
Side View
Table 68.0%Crown 47.31°GirdlePavilionCulet: NoneDepth 68.6%

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 1
Current: £3,387 GBP|Low: £1,231 GBP|High: £3,588 GBP|Avg: £1,710 GBP|-5.6%
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 2, 2026
Retailer 13£1,231 GBP
Retailer 5£1,265 GBP
Retailer 6£1,281 GBP
Retailer 2£1,354 GBP
Retailer 16£1,387 GBP
Retailer 3£1,388 GBP
Retailer 8£1,388 GBP
Retailer 12£1,425 GBP
Retailer 7£1,452 GBP
Retailer 4£1,491 GBP
Retailer 10£1,523 GBP
Retailer 14£1,602 GBP
Retailer 15£1,691 GBP
Retailer 9£1,896 GBP
Retailer 11£2,432 GBP
NZ Jewellers£3,387 GBP

25 data points across 16 retailers

17 retailers£1,231 GBP to £3,387 GBP

A
Cheapest Retailer
-
£1,231 GBP
$1,649 USD
A
Retailer 2
-
£1,265 GBP
$1,695 USD
View
A
Retailer 3
-
£1,281 GBP
$1,717 USD
View
Final sale: no returns
A
Retailer 4
-
£1,354 GBP
View
A
Retailer 5
-
£1,387 GBP
$1,859 USD
View
A
Retailer 6
-
£1,388 GBP
$1,860 USD
View
A
Retailer 7
-
£1,388 GBP
$1,860 USD
View
A
Retailer 8
-
£1,425 GBP
$1,910 USD
View
A
Retailer 9
-
£1,452 GBP
$1,946 USD
View
A
Retailer 10
-
£1,491 GBP
$1,998 USD
View
A
Retailer 11
-
£1,523 GBP
View
B+
Retailer 12
-
£1,602 GBP
$2,147 USD
View
B+
Retailer 13
-
£1,691 GBP
ZAR 36,596 ZAR
View
Retailer 14
-
£1,865 GBP
A$3,845 AUD
View
Price last confirmed 27 days ago
B+
Retailer 15
-
£1,896 GBP
€2,419 EUR
View
B
Retailer 16
-
£2,432 GBP
View
Most Expensive
B
NZ Jewellers
64f5a244-8d23-46a1-b00e-f16356eebc29 · Oct 30
£3,387 GBP
$4,538 USD
View
16 more retailers have this diamond
Prices start from £1,231 GBPSave up to £2,156 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
£1,231 GBP