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Heart|Natural|GIA

1.25ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 1553638557

Certificate GIA 1553638557

Diamond specifications and retailer prices

From $2,217 SGD
$1,734 USD
As of November 1, 2026
Save $3,718 SGD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,934 SGD 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 $2,217 to $5,934, a $3,718 spread on the same certified stone. NZ Jewellers lists it at $5,934. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,934 SGD|Low: $2,217 SGD|High: $6,025 SGD|Avg: $3,384 SGD|-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 14$2,217 SGD
Retailer 4$2,245 SGD
Retailer 2$2,405 SGD
Retailer 6$2,433 SGD
Retailer 12$2,433 SGD
Retailer 11$2,513 SGD
Retailer 3$2,531 SGD
Retailer 5$2,545 SGD
Retailer 13$2,609 SGD
Retailer 10$2,665 SGD
Retailer 7$2,668 SGD
Retailer 9$2,807 SGD
Retailer 8$4,285 SGD
NZ Jewellers$5,934 SGD

41 data points across 14 retailers

14 retailers$2,217 SGD to $5,934 SGD

A
Cheapest Retailer
-
$2,217 SGD
$1,734 USD
A
Retailer 2
-
$2,245 SGD
$1,756 USD
View
Final sale: no returns
A
Retailer 3
-
$2,405 SGD
£1,481 GBP
View
A
Retailer 4
-
$2,433 SGD
$1,903 USD
View
A
Retailer 5
-
$2,433 SGD
$1,903 USD
View
A
Retailer 6
-
$2,513 SGD
$1,966 USD
View
A
Retailer 7
-
$2,531 SGD
$1,980 USD
View
A
Retailer 8
-
$2,545 SGD
$1,991 USD
View
A
Retailer 9
-
$2,609 SGD
$2,041 USD
View
A
Retailer 10
-
$2,665 SGD
$2,085 USD
View
A
Retailer 11
-
$2,668 SGD
£1,643 GBP
View
A
Retailer 12
-
$2,807 SGD
$2,196 USD
View
B+
Retailer 13
-
$4,285 SGD
£2,639 GBP
View
Most Expensive
B
NZ Jewellers
b6e459be-f91b-4c67-87a6-031833ab505e · Oct 30
$5,934 SGD
$4,642 USD
View
13 more retailers have this diamond
Prices start from $2,217 SGDSave up to $3,718 SGD

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
$2,217 SGD