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Heart|Natural|GIA

1.02ct H SI2 Heart Natural Diamond

ID • H/SI2 • GIA 1287229876

Certificate GIA 1287229876

Diamond specifications and retailer prices

From £1,539 GBP
As of November 6, 2026
Save £2,313 GBP (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,852 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 1287229876. Listed at 12 retailers as of November 5, 2026, with prices from £1,539 to £3,852, a £2,313 spread on the same certified stone. NZ Jewellers lists it at £3,852. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1287229876
Dimensions7.11 × 6.05 × 4.07 mm
L/W Ratio1.18
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
7.11 mm6.05 mm1.02 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1287229876
Side View
Table 56.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 57.3%

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: £3,852 GBP|Low: £1,520 GBP|High: £3,852 GBP|Avg: £2,133 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
November 6, 2026
Retailer 9£1,539 GBP
Retailer 4£1,632 GBP
Retailer 14£1,700 GBP
Retailer 2£1,812 GBP
Retailer 11£1,842 GBP
Retailer 12£1,842 GBP
Retailer 10£1,928 GBP
Retailer 3£1,947 GBP
Retailer 7£1,949 GBP
Retailer 13£2,126 GBP
Retailer 5£2,233 GBP
Retailer 6£2,234 GBP
Retailer 8£3,219 GBP
NZ Jewellers£3,852 GBP

30 data points across 14 retailers

12 retailers£1,539 GBP to £3,852 GBP

B+
Cheapest Retailer
-
£1,539 GBP
B+
Retailer 2
-
£1,664 GBP
View
B+
Retailer 3
-
£1,700 GBP
View
Final sale: no returns
B+
Retailer 4
-
£1,812 GBP
View
Retailer 5
-
£1,842 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,842 GBP
View
B+
Retailer 7
-
£1,928 GBP
View
B+
Retailer 8
-
£1,947 GBP
View
B+
Retailer 9
-
£1,949 GBP
View
B
Retailer 10
-
£2,126 GBP
View
B
Retailer 11
-
£3,219 GBP
View
Most Expensive
B
NZ Jewellers
f19b58bb-0fba-4ea0-a3b2-323e40cf9ea6 · Nov 5
£3,852 GBP
$5,156 USD
View
11 more retailers have this diamond
Prices start from £1,539 GBPSave up to £2,313 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+
1.02ct Heart
£1,539 GBP