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Heart|Natural|GIA

0.91ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 2566055506

Certificate GIA 2566055506

Diamond specifications and retailer prices

From £604 GBP
$810 USD
As of November 1, 2026
Save £330 GBP (35%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £934 GBP at GemTrove · As of November 1, 2026
View at GemTrove

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded J 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 2566055506. Listed at 4 retailers as of November 1, 2026, with prices from £604 to £934, a £330 spread on the same certified stone. GemTrove lists it at £934. 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

0.91
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566055506
Dimensions6.18 × 6.65 × 3.77 mm
L/W Ratio1.08
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
6.18 mm6.65 mm0.91 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566055506
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 56.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £934 GBP|Low: £604 GBP|High: £934 GBP|Avg: £709 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3£604 GBP
Retailer 4£619 GBP
Retailer 2£654 GBP
GemTrove£934 GBP

39 data points across 4 retailers

4 retailers£604 GBP to £934 GBP

A
Cheapest Retailer
-
£604 GBP
$810 USD
A
Retailer 2
-
£619 GBP
SGD 1,123 SGD
View
A
Retailer 3
-
£654 GBP
View
Most Expensive
B
GemTrove
GT-N-01266884-98 · Nov 1
£934 GBP
A$1,928 AUD
View
3 more retailers have this diamond
Prices start from £604 GBPSave up to £330 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
0.91ct Heart
£604 GBP