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Heart|Natural|GIA

1.56ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2544738463

Certificate GIA 2544738463

Diamond specifications and retailer prices

From $4,324 SGD
As of November 6, 2026
Save $798 SGD (16%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,123 SGD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.56ct natural heart diamond

This 1.56ct 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 2544738463. Listed at 7 retailers as of November 5, 2026, with prices from $4,324 to $5,123, a $798 spread on the same certified stone. Blue Nile lists it at $5,123. 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

1.56
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2544738463
Dimensions7.26 × 8.06 × 4.71 mm
L/W Ratio1.11
Top View
7.26 mm8.06 mm1.56 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2544738463
Side View
Table 54.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $5,123 SGD|Low: $3,951 SGD|High: $6,166 SGD|Avg: $4,815 SGD|-16.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$4,324 SGD
Retailer 4$4,401 SGD
Retailer 7$4,474 SGD
Retailer 2$4,501 SGD
Retailer 6$4,616 SGD
Retailer 3$4,618 SGD
Blue Nile$5,123 SGD

42 data points across 7 retailers

7 retailers$4,324 SGD to $5,123 SGD

A
Cheapest Retailer
-
$4,324 SGD
A
Retailer 2
-
$4,401 SGD
View
Final sale: no returns
A
Retailer 3
-
$4,474 SGD
View
A
Retailer 4
-
$4,501 SGD
View
A
Retailer 5
-
$4,616 SGD
View
A
Retailer 6
-
$4,618 SGD
View
Most Expensive
A
Blue Nile
28420041 · Nov 5
$5,123 SGD
$3,997 USD
View
6 more retailers have this diamond
Prices start from $4,324 SGDSave up to $798 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
1.56ct Heart
$4,324 SGD