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Heart|Natural|GIA

1.20ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6545692388

Certificate GIA 6545692388

Diamond specifications and retailer prices

From $1,600 USD
HK$12,500 HKD
As of November 2, 2026
Save $2,805 USD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,405 USD 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 $1,600 to $4,405, a $2,805 spread on the same certified stone. NZ Jewellers lists it at $4,405. 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
Color
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: $4,405 USD|Low: $1,587 USD|High: $4,433 USD|Avg: $2,411 USD|-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
Retailer 15
November 3, 2026
Retailer 13$1,600 USD
Retailer 12$1,691 USD
Retailer 3$1,944 USD
Retailer 6$1,973 USD
Retailer 14$2,083 USD
Retailer 4$2,120 USD
Retailer 5$2,120 USD
Retailer 8$2,204 USD
Retailer 10$2,210 USD
Retailer 7$2,235 USD
Retailer 2$2,312 USD
Retailer 11$2,431 USD
Retailer 15$2,876 USD
Retailer 9$3,692 USD
NZ Jewellers$4,405 USD

24 data points across 15 retailers

17 retailers$1,600 USD to $4,405 USD

A
Cheapest Retailer
-
$1,600 USD
HK$12,500 HKD
A
Retailer 2
-
$1,691 USD
₹161,003 INR
View
A
Retailer 3
-
$1,944 USD
View
Final sale: no returns
A
Retailer 4
-
$1,973 USD
SGD 2,666 SGD
View
B+
Retailer 5
-
$2,020 USD
View
B+
Retailer 6
-
$2,083 USD
£1,640 GBP
View
B+
Retailer 7
-
$2,120 USD
View
B+
Retailer 8
-
$2,120 USD
View
B+
Retailer 9
-
$2,189 USD
A$3,368 AUD
View
B+
Retailer 10
-
$2,204 USD
View
B+
Retailer 11
-
$2,210 USD
View
Retailer 12
-
$2,235 USD
SGD 3,020 SGD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$2,312 USD
£1,820 GBP
View
B+
Retailer 14
-
$2,431 USD
View
B
Retailer 15
-
$2,876 USD
€2,739 EUR
View
B
Retailer 16
-
$3,692 USD
£2,907 GBP
View
Most Expensive
B
NZ Jewellers
520958f5-213b-44e8-a64a-c53f7e0bb77d · Nov 3
$4,405 USD
View
16 more retailers have this diamond
Prices start from $1,600 USDSave up to $2,805 USD

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
$1,600 USD