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Heart|Natural|GIA

1.53ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6531604900

Certificate GIA 6531604900

Diamond specifications and retailer prices

From $5,201 SGD
As of November 6, 2026
Save $6,385 SGD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,586 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 6531604900. Listed at 19 retailers as of November 5, 2026, with prices from $5,201 to $11,586, a $6,385 spread on the same certified stone. NZ Jewellers lists it at $11,586. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531604900
Dimensions7.01 × 7.80 × 4.66 mm
L/W Ratio1.11
Top View
7.01 mm7.80 mm1.53 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531604900
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.7%

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: $11,586 SGD|Low: $5,201 SGD|High: $11,586 SGD|Avg: $7,321 SGD
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 2$5,201 SGD
Retailer 9$5,515 SGD
Retailer 6$6,041 SGD
Retailer 17$6,297 SGD
Retailer 4$6,491 SGD
Retailer 10$6,491 SGD
Retailer 11$6,653 SGD
Retailer 14$6,919 SGD
Retailer 5$6,927 SGD
Retailer 16$6,927 SGD
Retailer 7$7,113 SGD
Retailer 8$7,123 SGD
Retailer 15$7,251 SGD
Retailer 3$7,992 SGD
Retailer 12$8,451 SGD
Retailer 13$11,003 SGD
NZ Jewellers$11,586 SGD

28 data points across 17 retailers

19 retailers$5,201 SGD to $11,586 SGD

A
Cheapest Retailer
-
$5,201 SGD
A
Retailer 2
-
$5,515 SGD
View
Final sale: no returns
A
Retailer 3
-
$5,697 SGD
View
B+
Retailer 4
-
$6,041 SGD
View
B+
Retailer 5
-
$6,297 SGD
View
B+
Retailer 6
-
$6,491 SGD
View
B+
Retailer 7
-
$6,491 SGD
View
B+
Retailer 8
-
$6,653 SGD
View
B+
Retailer 9
-
$6,919 SGD
View
B+
Retailer 10
-
$6,927 SGD
View
B+
Retailer 11
-
$6,927 SGD
View
Retailer 12
-
$6,927 SGD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$7,113 SGD
View
B+
Retailer 14
-
$7,123 SGD
View
B+
Retailer 15
-
$7,251 SGD
View
B+
Retailer 16
-
$7,992 SGD
View
B+
Retailer 17
-
$8,451 SGD
View
B
Retailer 18
-
$11,003 SGD
View
Most Expensive
B
NZ Jewellers
9c649c18-a3d4-4981-b2a8-6edf7e1e03cf · Nov 5
$11,586 SGD
$9,040 USD
View
18 more retailers have this diamond
Prices start from $5,201 SGDSave up to $6,385 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
$5,201 SGD