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Heart|Natural|GIA

0.91ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2386674003

Certificate GIA 2386674003

Diamond specifications and retailer prices

From $1,680 AUD
HK$9,200 HKD
As of November 1, 2026
Save $3,819 AUD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,499 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2386674003. Listed at 19 retailers as of October 30, 2026, with prices from $1,680 to $5,499, a $3,819 spread on the same certified stone. NZ Jewellers lists it at $5,499. 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
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2386674003
Dimensions6.69 × 6.10 × 3.55 mm
L/W Ratio1.10
Top View
6.69 mm6.10 mm0.91 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2386674003
Side View
Table 54.0%CrownGirdle: NULPavilionCulet: NoneDepth 58.2%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $2,526 AUD|Low: $1,662 AUD|High: $3,998 AUD|Avg: $2,700 AUD|+5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$1,680 AUD
Retailer 7$2,080 AUD
Retailer 4$2,090 AUD
Retailer 9$2,377 AUD
Retailer 1$2,526 AUD
Retailer 6$2,922 AUD
Retailer 8$2,942 AUD
Retailer 5$3,325 AUD
Retailer 2$3,951 AUD

43 data points across 9 retailers

19 retailers$1,680 AUD to $5,499 AUD

B+
Cheapest Retailer
-
$1,680 AUD
HK$9,200 HKD
B
Retailer 2
-
$2,080 AUD
$1,458 USD
View
Final sale: no returns
B
Retailer 3
-
$2,090 AUD
$1,465 USD
View
B
Retailer 4
-
$2,090 AUD
$1,465 USD
View
B
Retailer 5
-
$2,255 AUD
$1,580 USD
View
B
Retailer 6
-
$2,255 AUD
$1,580 USD
View
B
Retailer 7
-
$2,344 AUD
SGD 2,220 SGD
View
B
Retailer 8
-
$2,359 AUD
$1,653 USD
View
B
Retailer 9
-
$2,377 AUD
$1,666 USD
View
B
Retailer 10
-
$2,526 AUD
£1,394 GBP
View
B
Retailer 11
-
$2,601 AUD
$1,823 USD
View
B
Retailer 12
-
$2,601 AUD
$1,823 USD
View
B
Retailer 13
-
$2,759 AUD
$1,934 USD
View
B
Retailer 14
-
$2,922 AUD
€1,950 EUR
View
Retailer 15
-
$2,942 AUD
View
Price last confirmed 27 days ago
B
Retailer 16
-
$3,246 AUD
$2,275 USD
View
B
Retailer 17
-
$3,325 AUD
ZAR 37,650 ZAR
View
B
Retailer 18
-
$3,951 AUD
£2,180 GBP
View
Most Expensive
C
NZ Jewellers
d8672238-7332-4ed4-a283-56bc9538d0f8 · Oct 30
$5,499 AUD
$3,854 USD
View
18 more retailers have this diamond
Prices start from $1,680 AUDSave up to $3,819 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.

B+
0.91ct Heart
$1,680 AUD