Heart|Natural|GIA

1.20ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6552180214

Certificate GIA 6552180214

Diamond specifications and retailer prices

From $2,575 AUD
HK$14,100 HKD
As of November 2, 2026
Save $3,427 AUD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,002 AUD at MOH London · As of November 2, 2026
View at MOH London

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 6552180214. Listed at 12 retailers as of November 2, 2026, with prices from $2,575 to $6,002, a $3,427 spread on the same certified stone. MOH London lists it at $6,002. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552180214
Dimensions6.69 × 7.11 × 4.27 mm
L/W Ratio1.06
Top View
6.69 mm7.11 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552180214
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.1%

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: $6,002 AUD|Low: $2,557 AUD|High: $6,145 AUD|Avg: $3,681 AUD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 5$2,575 AUD
Retailer 4$2,714 AUD
Retailer 9$3,019 AUD
Retailer 8$3,446 AUD
Retailer 10$3,601 AUD
Retailer 7$3,626 AUD
Retailer 2$3,630 AUD
Retailer 3$3,724 AUD
Retailer 6$4,277 AUD
MOH London$6,002 AUD

36 data points across 10 retailers

12 retailers$2,575 AUD to $6,002 AUD

A
Cheapest Retailer
-
$2,575 AUD
HK$14,100 HKD
A
Retailer 2
-
$2,714 AUD
₹181,128 INR
View
A
Retailer 3
-
$3,019 AUD
SGD 2,859 SGD
View
B+
Retailer 4
-
$3,250 AUD
$2,278 USD
View
B+
Retailer 5
-
$3,446 AUD
$2,415 USD
View
B+
Retailer 6
-
$3,476 AUD
View
B+
Retailer 7
-
$3,601 AUD
SGD 3,410 SGD
View
B+
Retailer 8
-
$3,626 AUD
$2,541 USD
View
B+
Retailer 9
-
$3,630 AUD
£2,003 GBP
View
B+
Retailer 10
-
$3,724 AUD
$2,610 USD
View
B+
Retailer 11
-
$4,277 AUD
€2,855 EUR
View
Most Expensive
B
MOH London
5ACF8E10B · Nov 2
$6,002 AUD
£3,312 GBP
View
11 more retailers have this diamond
Prices start from $2,575 AUDSave up to $3,427 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
$2,575 AUD