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Heart|Natural|GIA

0.91ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6545673604

Certificate GIA 6545673604

Diamond specifications and retailer prices

From £616 GBP
$826 USD
As of November 2, 2026
Save £440 GBP (42%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,057 GBP at GemTrove · As of November 2, 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 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 6545673604. Listed at 6 retailers as of November 2, 2026, with prices from £616 to £1,057, a £440 spread on the same certified stone. GemTrove lists it at £1,057. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545673604
Dimensions5.98 × 6.89 × 3.86 mm
L/W Ratio1.15
Top View
5.98 mm6.89 mm0.91 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545673604
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.0%

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: £1,057 GBP|Low: £574 GBP|High: £1,057 GBP|Avg: £747 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5£616 GBP
Retailer 6£621 GBP
Retailer 3£674 GBP
Retailer 4£696 GBP
Retailer 2£699 GBP
GemTrove£1,057 GBP

40 data points across 6 retailers

6 retailers£616 GBP to £1,057 GBP

A
Cheapest Retailer
-
£616 GBP
$826 USD
Final sale: no returns
A
Retailer 2
-
£621 GBP
MYR 3,390 MYR
View
A
Retailer 3
-
£674 GBP
$903 USD
View
A
Retailer 4
-
£696 GBP
SGD 1,260 SGD
View
A
Retailer 5
-
£699 GBP
View
Most Expensive
B+
GemTrove
GT-N-01266757-98 · Nov 2
£1,057 GBP
A$2,178 AUD
View
5 more retailers have this diamond
Prices start from £616 GBPSave up to £440 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
£616 GBP