CaratHunter
Plans
Heart|Natural|GIA

1.25ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 1553638557

Certificate GIA 1553638557

Diamond specifications and retailer prices

From HK$13,604 HKD
$1,734 USD
As of November 1, 2026
Save HK$22,815 HKD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$36,420 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.25ct natural heart diamond

This 1.25ct natural heart sits in the one-and-a-quarter to one-and-a-half 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 1553638557. Listed at 14 retailers as of October 30, 2026, with prices from HK$13,604 to HK$36,420, a HK$22,815 spread on the same certified stone. NZ Jewellers lists it at HK$36,420. 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

1.25
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.98°
OriginNatural
Grading LabGIA
CertificateGIA 1553638557
Dimensions6.63 × 7.51 × 4.22 mm
L/W Ratio1.13
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Needle, Indented Natural, Natural
Top View
6.63 mm7.51 mm1.25 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553638557
Side View
Table 58.0%Crown 36.98°Girdle: MED-VTKPavilionCulet: NoneDepth 56.2%

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 1
Current: HK$36,420 HKD|Low: HK$13,604 HKD|High: HK$36,977 HKD|Avg: HK$20,771 HKD|-1.5%
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
November 2, 2026
Retailer 14HK$13,604 HKD
Retailer 4HK$13,777 HKD
Retailer 2HK$14,762 HKD
Retailer 6HK$14,930 HKD
Retailer 12HK$14,930 HKD
Retailer 11HK$15,425 HKD
Retailer 3HK$15,534 HKD
Retailer 5HK$15,621 HKD
Retailer 13HK$16,011 HKD
Retailer 10HK$16,358 HKD
Retailer 7HK$16,374 HKD
Retailer 9HK$17,229 HKD
Retailer 8HK$26,295 HKD
NZ JewellersHK$36,420 HKD

41 data points across 14 retailers

14 retailersHK$13,604 HKD to HK$36,420 HKD

A
Cheapest Retailer
-
HK$13,604 HKD
$1,734 USD
A
Retailer 2
-
HK$13,777 HKD
$1,756 USD
View
Final sale: no returns
A
Retailer 3
-
HK$14,762 HKD
£1,481 GBP
View
A
Retailer 4
-
HK$14,930 HKD
$1,903 USD
View
A
Retailer 5
-
HK$14,930 HKD
$1,903 USD
View
A
Retailer 6
-
HK$15,425 HKD
$1,966 USD
View
A
Retailer 7
-
HK$15,534 HKD
$1,980 USD
View
A
Retailer 8
-
HK$15,621 HKD
$1,991 USD
View
A
Retailer 9
-
HK$16,011 HKD
$2,041 USD
View
A
Retailer 10
-
HK$16,358 HKD
$2,085 USD
View
A
Retailer 11
-
HK$16,374 HKD
£1,643 GBP
View
A
Retailer 12
-
HK$17,229 HKD
$2,196 USD
View
B+
Retailer 13
-
HK$26,295 HKD
£2,639 GBP
View
Most Expensive
B
NZ Jewellers
b6e459be-f91b-4c67-87a6-031833ab505e · Oct 30
HK$36,420 HKD
$4,642 USD
View
13 more retailers have this diamond
Prices start from HK$13,604 HKDSave up to HK$22,815 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
1.25ct Heart
HK$13,604 HKD