CaratHunter
Plans
Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6551557845

Certificate GIA 6551557845

Diamond specifications and retailer prices

From HK$29,688 HKD
As of November 6, 2026
Save HK$10,903 HKD (27%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$40,591 HKD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551557845. Listed at 8 retailers as of November 6, 2026, with prices from HK$29,688 to HK$40,591, a HK$10,903 spread on the same certified stone. GemTrove lists it at HK$40,591. 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

1.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551557845
Dimensions6.85 × 8.05 × 4.78 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
6.85 mm8.05 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551557845
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.5%

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 6
Current: HK$30,072 HKD|Low: HK$27,070 HKD|High: HK$39,759 HKD|Avg: HK$32,810 HKD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4HK$29,688 HKD
Retailer 1HK$30,072 HKD
Retailer 3HK$30,448 HKD
Retailer 7HK$30,981 HKD
Retailer 2HK$31,632 HKD
Retailer 6HK$31,694 HKD
Retailer 5HK$35,253 HKD

42 data points across 7 retailers

8 retailersHK$29,688 HKD to HK$40,591 HKD

A
Cheapest Retailer
-
HK$29,688 HKD
A
Retailer 2
-
HK$30,072 HKD
View
A
Retailer 3
-
HK$30,448 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$30,981 HKD
View
A
Retailer 5
-
HK$31,632 HKD
View
A
Retailer 6
-
HK$31,694 HKD
View
B+
Retailer 7
-
HK$35,253 HKD
View
Most Expensive
B+
GemTrove
GT-N-01269805-98 · Nov 6
HK$40,591 HKD
A$7,968 AUD
View
7 more retailers have this diamond
Prices start from HK$29,688 HKDSave up to HK$10,903 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
1.50ct Heart
HK$29,688 HKD