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Radiant|Natural|GIA

1.02ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 1545268574

Certificate GIA 1545268574

Diamond specifications and retailer prices

From £1,690 GBP
₹215,704 INR
As of October 31, 2026
Save £3,009 GBP (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,700 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545268574. Listed at 17 retailers as of October 30, 2026, with prices from £1,690 to £4,700, a £3,009 spread on the same certified stone. NZ Jewellers lists it at £4,700. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545268574
Dimensions6.60 × 5.05 × 3.52 mm
L/W Ratio1.31
Top View
6.60 mm5.05 mm1.02 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1545268574
Side View
Table 70.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 69.7%

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: Oct 31
Current: £1,690 GBP|Low: £1,686 GBP|High: £3,805 GBP|Avg: £2,315 GBP|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 1£1,690 GBP
Retailer 11£1,920 GBP
Retailer 9£2,013 GBP
Retailer 8£2,074 GBP
Retailer 10£2,190 GBP
Retailer 6£2,199 GBP
Retailer 2£2,248 GBP
Retailer 5£2,383 GBP
Retailer 3£2,401 GBP
Retailer 4£2,763 GBP
Retailer 7£3,779 GBP

30 data points across 11 retailers

17 retailers£1,690 GBP to £4,700 GBP

A
Cheapest Retailer
-
£1,690 GBP
₹215,704 INR
A
Retailer 2
-
£1,920 GBP
$2,572 USD
View
B+
Retailer 3
-
£2,013 GBP
$2,697 USD
View
B+
Retailer 4
-
£2,074 GBP
$2,779 USD
View
Final sale: no returns
B+
Retailer 5
-
£2,190 GBP
$2,935 USD
View
B+
Retailer 6
-
£2,199 GBP
View
B+
Retailer 7
-
£2,248 GBP
$3,012 USD
View
B+
Retailer 8
-
£2,248 GBP
$3,012 USD
View
B+
Retailer 9
-
£2,335 GBP
$3,128 USD
View
B+
Retailer 10
-
£2,354 GBP
$3,154 USD
View
B+
Retailer 11
-
£2,383 GBP
View
Retailer 12
-
£2,401 GBP
A$4,950 AUD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
£2,539 GBP
$3,402 USD
View
B+
Retailer 14
-
£2,593 GBP
$3,475 USD
View
B+
Retailer 15
-
£2,763 GBP
ZAR 59,807 ZAR
View
B
Retailer 16
-
£3,779 GBP
View
Most Expensive
B
NZ Jewellers
42154ad8-99c4-421b-9325-ee94c709eace · Oct 30
£4,700 GBP
$6,297 USD
View
16 more retailers have this diamond
Prices start from £1,690 GBPSave up to £3,009 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
£1,690 GBP