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Heart|Natural|GIA

0.91ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 5556440926

Certificate GIA 5556440926

Diamond specifications and retailer prices

From £606 GBP
$812 USD
As of October 30, 2026
Save £417 GBP (41%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,023 GBP at GemTrove · As of October 31, 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 I 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 5556440926. Listed at 6 retailers as of October 30, 2026, with prices from £606 to £1,023, a £417 spread on the same certified stone. GemTrove lists it at £1,023. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556440926
Dimensions6.19 × 6.73 × 3.89 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
6.19 mm6.73 mm0.91 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556440926
Side View
Table 55.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 57.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,023 GBP|Low: £554 GBP|High: £1,023 GBP|Avg: £727 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 5£606 GBP
Retailer 6£610 GBP
Retailer 3£661 GBP
Retailer 4£680 GBP
Retailer 2£681 GBP
GemTrove£1,023 GBP

39 data points across 6 retailers

6 retailers£606 GBP to £1,023 GBP

A
Cheapest Retailer
-
£606 GBP
$812 USD
Final sale: no returns
A
Retailer 2
-
£610 GBP
MYR 3,330 MYR
View
A
Retailer 3
-
£661 GBP
$886 USD
View
A
Retailer 4
-
£680 GBP
SGD 1,232 SGD
View
A
Retailer 5
-
£681 GBP
View
Most Expensive
B+
GemTrove
GT-N-01266856-98 · Oct 31
£1,023 GBP
A$2,108 AUD
View
5 more retailers have this diamond
Prices start from £606 GBPSave up to £417 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
£606 GBP