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Heart|Natural|GIA

0.91ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6541663449

Certificate GIA 6541663449

Diamond specifications and retailer prices

From $1,353 AUD
SGD 1,281 SGD
As of October 27, 2026
Save $630 AUD (32%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,983 AUD 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 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 6541663449. Listed at 6 retailers as of October 27, 2026, with prices from $1,353 to $1,983, a $630 spread on the same certified stone. GemTrove lists it at $1,983. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6541663449
Dimensions5.82 × 6.87 × 4.01 mm
L/W Ratio1.18
Top View
5.82 mm6.87 mm0.91 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6541663449
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.4%

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 27
Current: $1,983 AUD|Low: $1,050 AUD|High: $1,983 AUD|Avg: $1,437 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 27, 2026
Retailer 6$1,203 AUD
Retailer 7$1,212 AUD
Retailer 3$1,313 AUD
Retailer 5$1,353 AUD
Retailer 2$1,355 AUD
Retailer 4$1,480 AUD
GemTrove$1,983 AUD

34 data points across 7 retailers

6 retailers$1,353 AUD to $1,983 AUD

Retailer 1
-
$1,212 AUD
MYR 3,459 MYR
Price last confirmed 7 days ago
Retailer 2
-
$1,313 AUD
$920 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$1,353 AUD
SGD 1,281 SGD
View
A
Retailer 4
-
$1,355 AUD
£747 GBP
View
Retailer 5
-
$1,480 AUD
$1,037 USD
View
Price last confirmed 9 days ago
Most Expensive
B
GemTrove
GT-N-01266758-98 · Nov 2
$1,983 AUD
View
5 more retailers have this diamond
Prices start from $1,353 AUDSave up to $630 AUD

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
$1,353 AUD