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Heart|Natural|GIA

1.53ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2537555541

Certificate GIA 2537555541

Diamond specifications and retailer prices

From $5,472 SGD
As of November 6, 2026
Save $5,344 SGD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,817 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.53ct natural heart diamond

This 1.53ct natural heart sits in the one-and-a-half to two carat band, graded H 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 2537555541. Listed at 15 retailers as of November 5, 2026, with prices from $5,472 to $10,817, a $5,344 spread on the same certified stone. NZ Jewellers lists it at $10,817. 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

1.53
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.58°
Pavilion angle39.08°
OriginNatural
Grading LabGIA
CertificateGIA 2537555541
Dimensions7.09 × 8.12 × 4.49 mm
L/W Ratio1.15
Top View
7.09 mm8.12 mm1.53 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537555541
Side View
Table 55.0%Crown 35.58°Girdle: STK-VTKPavilion 39.08°Culet: NoneDepth 55.3%

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: $6,061 SGD|Low: $5,472 SGD|High: $10,425 SGD|Avg: $6,712 SGD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$5,472 SGD
Retailer 6$5,642 SGD
Retailer 7$5,968 SGD
Retailer 1$6,061 SGD
Retailer 10$6,081 SGD
Retailer 3$6,368 SGD
Retailer 2$6,467 SGD
Retailer 8$6,519 SGD
Retailer 4$7,891 SGD
Retailer 5$10,273 SGD

41 data points across 10 retailers

15 retailers$5,472 SGD to $10,817 SGD

A
Cheapest Retailer
-
$5,472 SGD
A
Retailer 2
-
$5,642 SGD
View
B+
Retailer 3
-
$5,968 SGD
View
Final sale: no returns
A
Retailer 4
-
$6,061 SGD
View
B+
Retailer 5
-
$6,081 SGD
View
B+
Retailer 6
-
$6,368 SGD
View
Retailer 7
-
$6,467 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$6,467 SGD
View
B+
Retailer 9
-
$6,467 SGD
View
Retailer 10
-
$6,519 SGD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
$6,791 SGD
View
B+
Retailer 12
-
$7,463 SGD
View
B+
Retailer 13
-
$7,891 SGD
View
B
Retailer 14
-
$10,273 SGD
View
Most Expensive
B
NZ Jewellers
54f1792d-dd47-4831-9e9d-15aaa947d6c0 · Nov 5
$10,817 SGD
$8,440 USD
View
14 more retailers have this diamond
Prices start from $5,472 SGDSave up to $5,344 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
1.53ct Heart
$5,472 SGD