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Heart|Natural|GIA

1.03ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 2516983957

Certificate GIA 2516983957

Diamond specifications and retailer prices

From £1,353 GBP
As of November 2, 2026
Save £1,985 GBP (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,338 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-carat band, graded G 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 2516983957. Listed at 7 retailers as of November 2, 2026, with prices from £1,353 to £3,338, a £1,985 spread on the same certified stone. NZ Jewellers lists it at £3,338. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.33°
Pavilion angle41.99°
OriginNatural
Grading LabGIA
CertificateGIA 2516983957
Dimensions6.22 × 6.92 × 4.18 mm
L/W Ratio1.11
Girdle conditionThick
Key to symbols
Crystal, Needle
Top View
6.22 mm6.92 mm1.03 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516983957
Side View
Table 59.0%Crown 36.33°Girdle: STK-THKPavilion 41.99°Culet: NoneDepth 60.4%

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 2
Current: £3,338 GBP|Low: £1,353 GBP|High: £3,380 GBP|Avg: £1,837 GBP|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2£1,353 GBP
Retailer 4£1,369 GBP
Retailer 6£1,371 GBP
Retailer 5£1,431 GBP
Retailer 7£1,467 GBP
Retailer 8£1,641 GBP
Retailer 9£1,836 GBP
Retailer 3£2,411 GBP
NZ Jewellers£3,338 GBP

29 data points across 9 retailers

7 retailers£1,353 GBP to £3,338 GBP

A
Cheapest Retailer
-
£1,353 GBP
A
Retailer 2
-
£1,369 GBP
View
A
Retailer 3
-
£1,371 GBP
View
A
Retailer 4
-
£1,431 GBP
View
A
Retailer 5
-
£1,467 GBP
View
Retailer 6
-
£2,411 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
440ba256-8c8a-4bf1-83c2-48edc7808bb7 · Nov 3
£3,338 GBP
$4,468 USD
View
6 more retailers have this diamond
Prices start from £1,353 GBPSave up to £1,985 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 Heart
£1,353 GBP