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Heart|Natural|GIA

1.51ct L SI1 Heart Natural Diamond

EX • L/SI1 • GIA 7536538529

Certificate GIA 7536538529

Diamond specifications and retailer prices

From HK$14,382 HKD
As of November 5, 2026
Save HK$22,101 HKD (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$36,483 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7536538529. Listed at 6 retailers as of November 3, 2026, with prices from HK$14,382 to HK$36,483, a HK$22,101 spread on the same certified stone. NZ Jewellers lists it at HK$36,483. 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
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle35.33°
Pavilion angle41.58°
OriginNatural
Grading LabGIA
CertificateGIA 7536538529
Dimensions7.11 × 7.98 × 4.65 mm
L/W Ratio1.12
Girdle conditionVery Thick
Key to symbols
Feather, Crystal, Etch Channel, Needle, Indented Natural
Top View
7.11 mm7.98 mm1.51 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7536538529
Side View
Table 63.0%Crown 35.33°GirdlePavilion 41.58°CuletDepth 58.2%

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 5
Current: HK$36,483 HKD|Low: HK$13,919 HKD|High: HK$37,126 HKD|Avg: HK$18,631 HKD|-1.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 2HK$14,382 HKD
Retailer 3HK$14,781 HKD
Retailer 6HK$14,962 HKD
Retailer 7HK$15,181 HKD
Retailer 4HK$15,322 HKD
Retailer 5HK$15,651 HKD
NZ JewellersHK$36,483 HKD

40 data points across 7 retailers

6 retailersHK$14,382 HKD to HK$36,483 HKD

A
Cheapest Retailer
-
HK$14,382 HKD
A
Retailer 2
-
HK$14,781 HKD
View
A
Retailer 3
-
HK$14,962 HKD
View
A
Retailer 4
-
HK$15,322 HKD
View
B+
Retailer 5
-
HK$15,651 HKD
View
Most Expensive
C
NZ Jewellers
1cedb843-b85c-42c6-83fc-f902cef6d3da · Nov 3
HK$36,483 HKD
$4,655 USD
View
5 more retailers have this diamond
Prices start from HK$14,382 HKDSave up to HK$22,101 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$14,382 HKD