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Round|Natural|IGI

1.02ct D IF Round Natural Diamond

EX • D/IF • IGI 809692625

Shape and cutting style on the report: Round brilliant

Certificate IGI 809692625

Diamond specifications and retailer prices

From £4,131 GBP
As of November 5, 2026
Save £5,008 GBP (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £9,139 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 809692625. Listed at 16 retailers as of November 5, 2026, with prices from £4,131 to £9,139, a £5,008 spread on the same certified stone. NZ Jewellers lists it at £9,139. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.6°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 809692625
Dimensions6.38 × 6.43 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.38 mm6.43 mm1.02 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 809692625
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A+
Exceptional
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 5
Current: £9,139 GBP|Low: £4,131 GBP|High: £9,139 GBP|Avg: £5,723 GBP|+1.5%
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 6, 2026
Retailer 10£4,131 GBP
Retailer 5£4,765 GBP
Retailer 9£4,864 GBP
Retailer 4£5,043 GBP
Retailer 14£5,049 GBP
Retailer 2£5,136 GBP
Retailer 3£5,464 GBP
Retailer 12£5,548 GBP
Retailer 13£5,584 GBP
Retailer 8£5,673 GBP
Retailer 6£6,304 GBP
Retailer 7£6,666 GBP
Retailer 11£7,593 GBP
NZ Jewellers£9,139 GBP

24 data points across 14 retailers

16 retailers£4,131 GBP to £9,139 GBP

A+
Cheapest Retailer
-
£4,131 GBP
A
Retailer 2
-
£4,509 GBP
View
A
Retailer 3
-
£4,765 GBP
View
A
Retailer 4
-
£4,864 GBP
View
Retailer 5
-
£4,968 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£5,043 GBP
View
Final sale: no returns
A
Retailer 7
-
£5,049 GBP
View
A
Retailer 8
-
£5,136 GBP
View
A
Retailer 9
-
£5,464 GBP
View
A
Retailer 10
-
£5,548 GBP
View
A
Retailer 11
-
£5,584 GBP
View
A
Retailer 12
-
£5,673 GBP
View
A
Retailer 13
-
£6,304 GBP
View
A
Retailer 14
-
£6,666 GBP
View
B+
Retailer 15
-
£7,593 GBP
View
Most Expensive
B+
NZ Jewellers
56679eb7-7729-48c2-8844-8170e04dda3b · Nov 5
£9,139 GBP
$12,300 USD
View
15 more retailers have this diamond
Prices start from £4,131 GBPSave up to £5,008 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
£4,131 GBP