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Heart|Natural|GIA

1.03ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 6492472812

Certificate GIA 6492472812

Diamond specifications and retailer prices

From £1,907 GBP
As of November 6, 2026
Save £1,698 GBP (47%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,605 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6492472812. Listed at 5 retailers as of November 4, 2026, with prices from £1,907 to £3,605, a £1,698 spread on the same certified stone. MOH London lists it at £3,605. 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

1.03
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6492472812
Dimensions6.22 × 6.91 × 4.09 mm
L/W Ratio1.11
Top View
6.22 mm6.91 mm1.03 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6492472812
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,605 GBP|Low: £1,882 GBP|High: £3,658 GBP|Avg: £2,497 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5£1,907 GBP
Retailer 3£2,183 GBP
Retailer 4£2,366 GBP
Retailer 2£2,401 GBP
MOH London£3,605 GBP

38 data points across 5 retailers

5 retailers£1,907 GBP to £3,605 GBP

B+
Cheapest Retailer
-
£1,907 GBP
B+
Retailer 2
-
£2,183 GBP
View
B+
Retailer 3
-
£2,366 GBP
View
B+
Retailer 4
-
£2,401 GBP
View
Most Expensive
B
MOH London
B0B34AFDD · Nov 4
£3,605 GBP
View
4 more retailers have this diamond
Prices start from £1,907 GBPSave up to £1,698 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.

B+
1.03ct Heart
£1,907 GBP