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Round|Natural|GIA

1.02ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6551890869

Certificate GIA 6551890869

Diamond specifications and retailer prices

From £1,655 GBP
As of November 4, 2026
Save £2,945 GBP (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,600 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551890869. Listed at 19 retailers as of November 4, 2026, with prices from £1,655 to £4,600, a £2,945 spread on the same certified stone. NZ Jewellers lists it at £4,600. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551890869
Dimensions6.40 × 6.43 × 4.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
6.40 mm6.43 mm1.02 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6551890869
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: £4,600 GBP|Low: £1,655 GBP|High: £4,600 GBP|Avg: £2,543 GBP
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
November 6, 2026
Retailer 15£1,655 GBP
Retailer 11£1,728 GBP
Retailer 12£1,932 GBP
Retailer 14£1,995 GBP
Retailer 2£2,105 GBP
Retailer 3£2,200 GBP
Retailer 5£2,200 GBP
Retailer 4£2,285 GBP
Retailer 8£2,303 GBP
Retailer 9£2,315 GBP
Retailer 6£2,532 GBP
Retailer 7£2,539 GBP
Retailer 10£2,555 GBP
Retailer 13£3,670 GBP
NZ Jewellers£4,600 GBP

24 data points across 15 retailers

19 retailers£1,655 GBP to £4,600 GBP

A
Cheapest Retailer
-
£1,655 GBP
A
Retailer 2
-
£1,728 GBP
View
A
Retailer 3
-
£1,932 GBP
View
A
Retailer 4
-
£1,995 GBP
View
A
Retailer 5
-
£2,020 GBP
View
A
Retailer 6
-
£2,030 GBP
View
Final sale: no returns
A
Retailer 7
-
£2,051 GBP
View
A
Retailer 8
-
£2,105 GBP
View
A
Retailer 9
-
£2,181 GBP
View
A
Retailer 10
-
£2,200 GBP
View
Retailer 11
-
£2,200 GBP
View
Price last confirmed 8 days ago
A
Retailer 12
-
£2,236 GBP
View
B+
Retailer 13
-
£2,285 GBP
View
B+
Retailer 14
-
£2,303 GBP
View
A
Retailer 15
-
£2,315 GBP
View
B+
Retailer 16
-
£2,539 GBP
View
B+
Retailer 17
-
£2,555 GBP
View
B
Retailer 18
-
£3,670 GBP
View
Most Expensive
B
NZ Jewellers
3e5d6118-cc3a-477f-a821-da6baab11521 · Nov 5
£4,600 GBP
$6,191 USD
View
18 more retailers have this diamond
Prices start from £1,655 GBPSave up to £2,945 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
£1,655 GBP