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Heart|Natural|GIA

0.91ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6542808412

Certificate GIA 6542808412

Diamond specifications and retailer prices

From £1,013 GBP
A$2,088 AUD
As of November 2, 2026
5 retailers carry this diamond
Most expensive: £1,013 GBP at GemTrove
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 6542808412. Listed at 5 retailers as of November 2, 2026. 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
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6542808412
Dimensions6.14 × 6.73 × 3.75 mm
L/W Ratio1.10
Top View
6.14 mm6.73 mm0.91 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6542808412
Side View
Table 56.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 55.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,013 GBP|Low: £541 GBP|High: £1,013 GBP|Avg: £716 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 22, 2026
Retailer 5£583 GBP
Retailer 6£586 GBP
Retailer 3£636 GBP
Retailer 2£653 GBP
Retailer 4£658 GBP
GemTrove£1,013 GBP

30 data points across 6 retailers

5 retailers

Retailer 1
-
£586 GBP
MYR 3,198 MYR
Price last confirmed 11 days ago
Retailer 2
-
£636 GBP
$852 USD
View
Price last confirmed 13 days ago
Retailer 3
-
£653 GBP
View
Price last confirmed 11 days ago
Retailer 4
-
£658 GBP
SGD 1,191 SGD
View
Price last confirmed 12 days ago
Most Expensive
B+
GemTrove
GT-N-01266766-98 · Nov 2
£1,013 GBP
A$2,088 AUD
View
4 more retailers have this diamond

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+
0.91ct Heart
£1,013 GBP