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Heart|Natural|GIA

0.91ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 6422785889

Certificate GIA 6422785889

Diamond specifications and retailer prices

From $855 AUD
₹57,180 INR
As of October 31, 2026
Save $3,009 AUD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,864 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 6422785889. Listed at 12 retailers as of October 30, 2026, with prices from $855 to $3,864, a $3,009 spread on the same certified stone. NZ Jewellers lists it at $3,864. 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
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6422785889
Dimensions6.02 × 6.80 × 3.72 mm
L/W Ratio1.13
Top View
6.02 mm6.80 mm0.91 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6422785889
Side View
Table 59.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 54.8%

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 31
Current: $3,864 AUD|Low: $853 AUD|High: $3,864 AUD|Avg: $1,501 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6$855 AUD
Retailer 11$1,136 AUD
Retailer 3$1,231 AUD
Retailer 8$1,231 AUD
Retailer 10$1,280 AUD
Retailer 4$1,320 AUD
Retailer 7$1,330 AUD
Retailer 9$1,421 AUD
Retailer 12$1,421 AUD
Retailer 2$1,439 AUD
Retailer 5$2,256 AUD
NZ Jewellers$3,864 AUD

46 data points across 12 retailers

12 retailers$855 AUD to $3,864 AUD

A
Cheapest Retailer
-
$855 AUD
₹57,180 INR
B+
Retailer 2
-
$1,136 AUD
$798 USD
View
Final sale: no returns
B+
Retailer 3
-
$1,231 AUD
$865 USD
View
B+
Retailer 4
-
$1,231 AUD
$865 USD
View
B+
Retailer 5
-
$1,280 AUD
$899 USD
View
B+
Retailer 6
-
$1,320 AUD
$927 USD
View
B+
Retailer 7
-
$1,330 AUD
HK$7,300 HKD
View
B+
Retailer 8
-
$1,421 AUD
$998 USD
View
B+
Retailer 9
-
$1,421 AUD
$998 USD
View
B+
Retailer 10
-
$1,439 AUD
£796 GBP
View
B
Retailer 11
-
$2,256 AUD
£1,248 GBP
View
Most Expensive
C
NZ Jewellers
2c7408f0-9f52-4fcb-9dbf-fc06c94a9e56 · Oct 30
$3,864 AUD
$2,714 USD
View
11 more retailers have this diamond
Prices start from $855 AUDSave up to $3,009 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
$855 AUD