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Heart|Natural|GIA

1.51ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 5546346351

Certificate GIA 5546346351

Diamond specifications and retailer prices

From HK$18,959 HKD
As of November 6, 2026
Save HK$22,657 HKD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$41,616 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded I 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 5546346351. Listed at 14 retailers as of November 4, 2026, with prices from HK$18,959 to HK$41,616, a HK$22,657 spread on the same certified stone. MOH London lists it at HK$41,616. 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

1.51
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5546346351
Dimensions7.01 × 7.97 × 4.70 mm
L/W Ratio1.14
Top View
7.01 mm7.97 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5546346351
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.9%

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$41,616 HKD|Low: HK$18,857 HKD|High: HK$48,155 HKD|Avg: HK$27,055 HKD|-12.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5HK$18,959 HKD
Retailer 4HK$20,409 HKD
Retailer 2HK$21,859 HKD
Retailer 3HK$25,816 HKD
Retailer 6HK$26,075 HKD
Retailer 8HK$26,428 HKD
Retailer 9HK$26,616 HKD
Retailer 7HK$26,804 HKD
MOH LondonHK$41,616 HKD

44 data points across 9 retailers

14 retailersHK$18,959 HKD to HK$41,616 HKD

A
Cheapest Retailer
-
HK$18,959 HKD
A
Retailer 2
-
HK$20,409 HKD
View
A
Retailer 3
-
HK$21,859 HKD
View
A
Retailer 4
-
HK$25,816 HKD
View
A
Retailer 5
-
HK$26,075 HKD
View
Retailer 6
-
HK$26,428 HKD
View
Price last confirmed 11 days ago
A
Retailer 7
-
HK$26,616 HKD
View
A
Retailer 8
-
HK$26,804 HKD
View
A
Retailer 9
-
HK$28,105 HKD
View
Retailer 10
-
HK$28,458 HKD
View
Price last confirmed 30 days ago
Retailer 11
-
HK$28,458 HKD
View
Price last confirmed 30 days ago
Retailer 12
-
HK$29,547 HKD
View
Price last confirmed 37 days ago
Retailer 13
-
HK$32,831 HKD
View
Price last confirmed 39 days ago
Most Expensive
B+
MOH London
0FB90FE62 · Nov 4
HK$41,616 HKD
£4,181 GBP
View
13 more retailers have this diamond
Prices start from HK$18,959 HKDSave up to HK$22,657 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
1.51ct Heart
HK$18,959 HKD