Round|Natural|GIA

1.02ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1503577729

Certificate GIA 1503577729

Diamond specifications and retailer prices

From £1,512 GBP
As of November 4, 2026
Save £2,738 GBP (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,250 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1503577729. Listed at 17 retailers as of November 4, 2026, with prices from £1,512 to £4,250, a £2,738 spread on the same certified stone. NZ Jewellers lists it at £4,250. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1503577729
Dimensions6.44 × 6.48 × 3.99 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Cloud, Crystal, Twinning Wisp, Feather, Knot, Needle
Top View
6.44 mm6.48 mm1.02 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1503577729
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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: Nov 4
Current: £2,138 GBP|Low: £1,502 GBP|High: £3,604 GBP|Avg: £2,029 GBP|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6£1,512 GBP
Retailer 7£1,549 GBP
Retailer 2£1,622 GBP
Retailer 8£1,664 GBP
Retailer 3£1,782 GBP
Retailer 9£1,927 GBP
Retailer 10£2,004 GBP
Retailer 1£2,138 GBP
Retailer 5£2,282 GBP
Retailer 4£3,551 GBP

45 data points across 10 retailers

17 retailers£1,512 GBP to £4,250 GBP

A
Cheapest Retailer
-
£1,512 GBP
A
Retailer 2
-
£1,549 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,622 GBP
View
A
Retailer 4
-
£1,664 GBP
View
A
Retailer 5
-
£1,782 GBP
View
A
Retailer 6
-
£1,842 GBP
View
A
Retailer 7
-
£1,927 GBP
View
A
Retailer 8
-
£2,004 GBP
View
A
Retailer 9
-
£2,110 GBP
View
A
Retailer 10
-
£2,110 GBP
View
A
Retailer 11
-
£2,125 GBP
View
A
Retailer 12
-
£2,138 GBP
View
A
Retailer 13
-
£2,184 GBP
View
A
Retailer 14
-
£2,282 GBP
View
B+
Retailer 15
-
£3,551 GBP
View
B
Retailer 16
-
£3,610 GBP
View
Most Expensive
B
NZ Jewellers
329349be-0bb7-4888-8f95-907f7504d5ae · Nov 5
£4,250 GBP
$5,720 USD
View
16 more retailers have this diamond
Prices start from £1,512 GBPSave up to £2,738 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 Round
£1,512 GBP