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Heart|Natural|GIA

1.57ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6501528525

Certificate GIA 6501528525

Diamond specifications and retailer prices

From $4,102 SGD
As of November 1, 2026
Save $4,269 SGD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,371 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.57ct natural heart diamond

This 1.57ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6501528525. Listed at 10 retailers as of November 1, 2026, with prices from $4,102 to $8,371, a $4,269 spread on the same certified stone. NZ Jewellers lists it at $8,371. 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

1.57
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6501528525
Dimensions6.75 × 8.42 × 4.80 mm
L/W Ratio1.25
Top View
6.75 mm8.42 mm1.57 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6501528525
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.0%

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: $8,371 SGD|Low: $4,102 SGD|High: $8,371 SGD|Avg: $5,571 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
November 3, 2026
Retailer 12$4,102 SGD
Retailer 6$4,266 SGD
Retailer 13$4,301 SGD
Retailer 9$4,805 SGD
Retailer 10$4,805 SGD
Retailer 8$4,991 SGD
Retailer 3$4,992 SGD
Retailer 2$5,021 SGD
Retailer 4$5,180 SGD
Retailer 11$5,544 SGD
Retailer 14$5,717 SGD
Retailer 5$7,763 SGD
Retailer 7$8,034 SGD
NZ Jewellers$8,371 SGD

38 data points across 14 retailers

10 retailers$4,102 SGD to $8,371 SGD

A
Cheapest Retailer
-
$4,102 SGD
A
Retailer 2
-
$4,266 SGD
View
Retailer 3
-
$4,805 SGD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$4,805 SGD
View
B+
Retailer 5
-
$4,991 SGD
View
B+
Retailer 6
-
$4,992 SGD
View
B+
Retailer 7
-
$5,021 SGD
View
B+
Retailer 8
-
$5,544 SGD
View
B
Retailer 9
-
$8,034 SGD
View
Most Expensive
B
NZ Jewellers
8fcb2d63-570f-4727-856d-5667d7af08bb · Nov 3
$8,371 SGD
$6,532 USD
View
9 more retailers have this diamond
Prices start from $4,102 SGDSave up to $4,269 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
1.57ct Heart
$4,102 SGD