Round|Natural|GIA

1.02ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7508121852

Shape and cutting style on the report: Round brilliant

Certificate GIA 7508121852

Diamond specifications and retailer prices

From £2,068 GBP
As of November 6, 2026
Save £3,114 GBP (60%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £5,182 GBP at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7508121852. Listed at 21 retailers as of November 6, 2026, with prices from £2,068 to £5,182, a £3,114 spread on the same certified stone. Diamond Quarter lists it at £5,182. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7508121852
Dimensions6.45 × 6.42 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.45 mm6.42 mm1.02 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7508121852
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.4%

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 6
Current: £2,068 GBP|Low: £2,068 GBP|High: £4,838 GBP|Avg: £2,930 GBP|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1£2,068 GBP
Retailer 11£2,101 GBP
Retailer 3£2,537 GBP
Retailer 10£2,544 GBP
Retailer 2£2,638 GBP
Retailer 5£2,651 GBP
Retailer 4£2,735 GBP
Retailer 7£2,877 GBP
Retailer 8£3,046 GBP
Retailer 6£3,489 GBP
Retailer 9£4,780 GBP

29 data points across 11 retailers

21 retailers£2,068 GBP to £5,182 GBP

A
Cheapest Retailer
-
£2,068 GBP
A
Retailer 2
-
£2,101 GBP
View
B+
Retailer 3
-
£2,537 GBP
View
B+
Retailer 4
-
£2,544 GBP
View
B+
Retailer 5
-
£2,638 GBP
View
Final sale: no returns
B+
Retailer 6
-
£2,651 GBP
View
Retailer 7
-
£2,668 GBP
View
Price last confirmed 109 days ago
B
Retailer 8
-
£2,734 GBP
View
B+
Retailer 9
-
£2,735 GBP
View
B+
Retailer 10
-
£2,858 GBP
View
B+
Retailer 11
-
£2,877 GBP
View
B+
Retailer 12
-
£2,967 GBP
View
B+
Retailer 13
-
£2,968 GBP
View
B+
Retailer 14
-
£3,046 GBP
View
Retailer 15
-
£3,062 GBP
View
Price last confirmed 29 days ago
B
Retailer 16
-
£3,298 GBP
View
B
Retailer 17
-
£3,489 GBP
View
B
Retailer 18
-
£3,693 GBP
View
B
Retailer 19
-
£4,780 GBP
View
B
Retailer 20
-
£4,980 GBP
View
Most Expensive
B
Diamond Quarter
1.02SI1G7552DEA5N · Nov 6
£5,182 GBP
View
20 more retailers have this diamond
Prices start from £2,068 GBPSave up to £3,114 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
£2,068 GBP