Heart|Natural|GIA

1.20ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6545692388

Certificate GIA 6545692388

Diamond specifications and retailer prices

From $2,283 AUD
HK$12,500 HKD
As of November 2, 2026
Save $4,002 AUD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,285 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded H 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 6545692388. Listed at 17 retailers as of November 2, 2026, with prices from $2,283 to $6,285, a $4,002 spread on the same certified stone. NZ Jewellers lists it at $6,285. 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

1.20
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6545692388
Dimensions6.75 × 7.28 × 4.21 mm
L/W Ratio1.08
Top View
6.75 mm7.28 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6545692388
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 57.9%

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: Nov 2
Current: $6,285 AUD|Low: $2,265 AUD|High: $6,325 AUD|Avg: $3,464 AUD|-0.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 3, 2026
Retailer 14$2,283 AUD
Retailer 13$2,412 AUD
Retailer 5$2,774 AUD
Retailer 2$2,827 AUD
Retailer 3$2,972 AUD
Retailer 7$3,006 AUD
Retailer 6$3,025 AUD
Retailer 9$3,145 AUD
Retailer 11$3,153 AUD
Retailer 8$3,298 AUD
Retailer 12$3,469 AUD
Retailer 4$4,104 AUD
Retailer 10$5,268 AUD
NZ Jewellers$6,285 AUD

24 data points across 14 retailers

17 retailers$2,283 AUD to $6,285 AUD

A
Cheapest Retailer
-
$2,283 AUD
HK$12,500 HKD
A
Retailer 2
-
$2,412 AUD
₹161,003 INR
View
A
Retailer 3
-
$2,774 AUD
$1,944 USD
View
Final sale: no returns
A
Retailer 4
-
$2,827 AUD
SGD 2,677 SGD
View
B+
Retailer 5
-
$2,882 AUD
$2,020 USD
View
B+
Retailer 6
-
$2,972 AUD
£1,640 GBP
View
B+
Retailer 7
-
$3,006 AUD
$2,107 USD
View
B+
Retailer 8
-
$3,025 AUD
$2,120 USD
View
B+
Retailer 9
-
$3,124 AUD
View
B+
Retailer 10
-
$3,145 AUD
$2,204 USD
View
B+
Retailer 11
-
$3,153 AUD
$2,210 USD
View
Retailer 12
-
$3,189 AUD
SGD 3,020 SGD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$3,298 AUD
£1,820 GBP
View
B+
Retailer 14
-
$3,469 AUD
$2,431 USD
View
B
Retailer 15
-
$4,104 AUD
€2,739 EUR
View
B
Retailer 16
-
$5,268 AUD
£2,907 GBP
View
Most Expensive
B
NZ Jewellers
520958f5-213b-44e8-a64a-c53f7e0bb77d · Nov 3
$6,285 AUD
$4,405 USD
View
16 more retailers have this diamond
Prices start from $2,283 AUDSave up to $4,002 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
1.20ct Heart
$2,283 AUD