Round|Natural|IGI

1.03ct D IF Round Natural Diamond

EX • D/IF • IGI 835660199

Shape and cutting style on the report: Round brilliant

Certificate IGI 835660199

Diamond specifications and retailer prices

From £4,981 GBP
As of November 4, 2026
Save £4,572 GBP (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £9,553 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct 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 835660199. Listed at 15 retailers as of November 2, 2026, with prices from £4,981 to £9,553, a £4,572 spread on the same certified stone. NZ Jewellers lists it at £9,553. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 835660199
Dimensions6.55 × 6.59 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.55 mm6.59 mm1.03 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 835660199
Side View
Table 58.0%Crown 32.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £9,553 GBP|Low: £4,981 GBP|High: £9,553 GBP|Avg: £6,074 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 5, 2026
Retailer 4£4,981 GBP
Retailer 6£4,994 GBP
Retailer 8£5,106 GBP
Retailer 15£5,272 GBP
Retailer 3£5,272 GBP
Retailer 13£5,272 GBP
Retailer 2£5,368 GBP
Retailer 7£5,679 GBP
Retailer 5£5,711 GBP
Retailer 12£5,799 GBP
Retailer 9£6,226 GBP
Retailer 14£6,590 GBP
Retailer 11£7,017 GBP
Retailer 10£7,960 GBP
NZ Jewellers£9,553 GBP

39 data points across 15 retailers

15 retailers£4,981 GBP to £9,553 GBP

A
Cheapest Retailer
-
£4,981 GBP
A
Retailer 2
-
£4,994 GBP
View
A
Retailer 3
-
£5,106 GBP
View
A
Retailer 4
-
£5,272 GBP
View
Retailer 5
-
£5,272 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£5,272 GBP
View
Final sale: no returns
A
Retailer 7
-
£5,368 GBP
View
A
Retailer 8
-
£5,679 GBP
View
A
Retailer 9
-
£5,711 GBP
View
A
Retailer 10
-
£5,799 GBP
View
A
Retailer 11
-
£6,226 GBP
View
A
Retailer 12
-
£6,590 GBP
View
A
Retailer 13
-
£7,017 GBP
View
B+
Retailer 14
-
£7,960 GBP
View
Most Expensive
B
NZ Jewellers
4d6fa266-a641-47b3-b757-d2f24633f619 · Nov 2
£9,553 GBP
$12,857 USD
View
14 more retailers have this diamond
Prices start from £4,981 GBPSave up to £4,572 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
1.03ct Round
£4,981 GBP