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Heart|Natural|GIA

2.03ct J SI1 Heart Natural Diamond

ID • J/SI1 • GIA 6512823815

Certificate GIA 6512823815

Diamond specifications and retailer prices

From £5,981 GBP
As of November 1, 2026
Save £5,660 GBP (49%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £11,641 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.03ct natural heart diamond

This 2.03ct natural heart sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512823815. Listed at 7 retailers as of October 30, 2026, with prices from £5,981 to £11,641, a £5,660 spread on the same certified stone. NZ Jewellers lists it at £11,641. 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

2.03
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6512823815
Dimensions7.95 × 8.82 × 5.15 mm
L/W Ratio1.11
Top View
7.95 mm8.82 mm2.03 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512823815
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.3%

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 1
Current: £11,641 GBP|Low: £5,981 GBP|High: £11,641 GBP|Avg: £7,255 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5£5,981 GBP
Retailer 6£6,054 GBP
Retailer 7£6,090 GBP
Retailer 4£6,381 GBP
Retailer 3£6,697 GBP
Retailer 9£6,733 GBP
Retailer 8£7,190 GBP
Retailer 2£9,700 GBP
NZ Jewellers£11,641 GBP

25 data points across 9 retailers

7 retailers£5,981 GBP to £11,641 GBP

B+
Cheapest Retailer
-
£5,981 GBP
B+
Retailer 2
-
£6,054 GBP
$8,112 USD
View
B+
Retailer 3
-
£6,090 GBP
$8,160 USD
View
B+
Retailer 4
-
£6,381 GBP
$8,550 USD
View
B+
Retailer 5
-
£6,697 GBP
View
B
Retailer 6
-
£9,700 GBP
View
Most Expensive
B
NZ Jewellers
de1868db-cae9-490b-b0dc-770990704d9b · Oct 30
£11,641 GBP
$15,598 USD
View
6 more retailers have this diamond
Prices start from £5,981 GBPSave up to £5,660 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+
2.03ct Heart
£5,981 GBP