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Heart|Natural|GIA

1.02ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 1558316403

Certificate GIA 1558316403

Diamond specifications and retailer prices

From £926 GBP
As of November 6, 2026
Save £404 GBP (30%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,330 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558316403. Listed at 6 retailers as of November 6, 2026, with prices from £926 to £1,330, a £404 spread on the same certified stone. GemTrove lists it at £1,330. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558316403
Dimensions6.21 × 7.00 × 4.15 mm
L/W Ratio1.13
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.21 mm7.00 mm1.02 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558316403
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.3%

Caratlytics Score

How it works →
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 6
Current: £1,330 GBP|Low: £879 GBP|High: £1,330 GBP|Avg: £1,076 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4£926 GBP
Retailer 3£928 GBP
Retailer 5£936 GBP
Retailer 2£1,022 GBP
Retailer 6£1,053 GBP
GemTrove£1,330 GBP

40 data points across 6 retailers

6 retailers£926 GBP to £1,330 GBP

A
Cheapest Retailer
-
£926 GBP
Final sale: no returns
A
Retailer 2
-
£928 GBP
View
A
Retailer 3
-
£936 GBP
View
A
Retailer 4
-
£1,022 GBP
View
A
Retailer 5
-
£1,053 GBP
View
Most Expensive
B+
GemTrove
GT-N-01269121-98 · Nov 6
£1,330 GBP
A$2,738 AUD
View
5 more retailers have this diamond
Prices start from £926 GBPSave up to £404 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 Heart
£926 GBP