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Round|Natural|GIA

1.02ct H SI2 Round Natural Diamond

GD • H/SI2 • GIA 2536909473

Certificate GIA 2536909473

Diamond specifications and retailer prices

From £827 GBP
As of November 6, 2026
Save £1,800 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,626 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 2536909473. Listed at 14 retailers as of November 5, 2026, with prices from £827 to £2,626, a £1,800 spread on the same certified stone. NZ Jewellers lists it at £2,626. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.02
Carat
H
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle39.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2536909473
Dimensions6.18 × 6.09 × 4.04 mm
L/W Ratio1.01
Top View
6.18 mm6.09 mm1.02 ctH / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2536909473
Side View
Table 58.0%Crown 39.5°Girdle: THK-VTKPavilion 40.6°Culet: NoneDepth 66.3%

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: £2,626 GBP|Low: £805 GBP|High: £2,751 GBP|Avg: £1,220 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
November 5, 2026
Retailer 14£827 GBP
Retailer 6£903 GBP
Retailer 3£906 GBP
Retailer 8£976 GBP
Retailer 13£979 GBP
Retailer 4£994 GBP
Retailer 11£1,020 GBP
Retailer 12£1,020 GBP
Retailer 7£1,040 GBP
Retailer 5£1,129 GBP
Retailer 9£1,185 GBP
Retailer 2£1,389 GBP
Retailer 10£1,887 GBP
NZ Jewellers£2,626 GBP

38 data points across 14 retailers

14 retailers£827 GBP to £2,626 GBP

A
Cheapest Retailer
-
£827 GBP
A
Retailer 2
-
£903 GBP
View
Final sale: no returns
B+
Retailer 3
-
£906 GBP
View
A
Retailer 4
-
£976 GBP
View
Retailer 5
-
£979 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£994 GBP
View
B+
Retailer 7
-
£1,020 GBP
View
B+
Retailer 8
-
£1,020 GBP
View
B+
Retailer 9
-
£1,040 GBP
View
B+
Retailer 10
-
£1,129 GBP
View
B+
Retailer 11
-
£1,185 GBP
View
B+
Retailer 12
-
£1,389 GBP
View
B+
Retailer 13
-
£1,887 GBP
View
Most Expensive
B
NZ Jewellers
c1b0310b-4dee-402d-b4f8-3c5627c47495 · Nov 5
£2,626 GBP
$3,535 USD
View
13 more retailers have this diamond
Prices start from £827 GBPSave up to £1,800 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
£827 GBP