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Heart|Natural|GIA

1.20ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 1547578076

Certificate GIA 1547578076

Diamond specifications and retailer prices

From HK$16,451 HKD
As of November 6, 2026
Save HK$19,162 HKD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$45,253 HKD at NZ Jewellers · As of September 25, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1547578076. Listed at 13 retailers as of November 4, 2026, with a 116% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle38.8°
OriginNatural
Grading LabGIA
CertificateGIA 1547578076
Dimensions6.42 × 7.24 × 4.30 mm
L/W Ratio1.13
Girdle conditionFaceted
Top View
6.42 mm7.24 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1547578076
Side View
Table 60.0%CrownGirdle: STK-VTKPavilion 38.8°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$18,669 HKD|Low: HK$16,145 HKD|High: HK$38,380 HKD|Avg: HK$22,428 HKD|-4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11HK$16,451 HKD
Retailer 2HK$17,039 HKD
Retailer 8HK$18,018 HKD
Retailer 1HK$18,669 HKD
Retailer 3HK$19,296 HKD
Retailer 7HK$19,382 HKD
Retailer 10HK$20,534 HKD
Retailer 4HK$21,569 HKD
Retailer 5HK$22,642 HKD
Retailer 9HK$33,481 HKD
Retailer 6HK$35,613 HKD

37 data points across 11 retailers

13 retailersHK$16,451 HKD to HK$35,613 HKD

A
Cheapest Retailer
-
HK$16,451 HKD
A
Retailer 2
-
HK$17,039 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$18,018 HKD
View
A
Retailer 4
-
HK$18,669 HKD
View
A
Retailer 5
-
HK$19,296 HKD
View
A
Retailer 6
-
HK$19,382 HKD
View
B+
Retailer 7
-
HK$20,534 HKD
View
B+
Retailer 8
-
HK$21,569 HKD
View
B+
Retailer 9
-
HK$22,642 HKD
View
B+
Retailer 10
-
HK$23,826 HKD
View
B
Retailer 11
-
HK$33,481 HKD
View
B
Retailer 12
-
HK$35,613 HKD
View
Most Expensive
NZ Jewellers
9f84c160-87e4-4933-8a65-66a4d62850b2 · Sep 25
HK$45,253 HKD
$5,774 USD
View
Price last confirmed 42 days ago
12 more retailers have this diamond
Prices start from HK$16,451 HKDSave up to HK$19,162 HKD

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
HK$16,451 HKD