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Heart|Natural|GIA

1.51ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 5556155608

Certificate GIA 5556155608

Diamond specifications and retailer prices

From $3,043 SGD
As of November 6, 2026
Save $2,233 SGD (42%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,275 SGD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded J 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 5556155608. Listed at 8 retailers as of November 6, 2026, with prices from $3,043 to $5,275, a $2,233 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,275. 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

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.26°
Pavilion angle37.79°
OriginNatural
Grading LabGIA
CertificateGIA 5556155608
Dimensions6.76 × 7.89 × 4.70 mm
L/W Ratio1.17
Top View
6.76 mm7.89 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556155608
Side View
Table 60.0%Crown 42.26°Girdle: MED-THKPavilion 37.79°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,922 SGD|Low: $2,284 SGD|High: $5,744 SGD|Avg: $3,642 SGD|-6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 9$2,284 SGD
Retailer 4$2,878 SGD
Retailer 3$3,043 SGD
Retailer 7$3,075 SGD
Retailer 2$3,345 SGD
Retailer 6$3,404 SGD
Retailer 5$3,704 SGD
Retailer 1$3,922 SGD
Retailer 8$4,463 SGD
Wholesale Diamonds Direct$5,275 SGD

26 data points across 10 retailers

8 retailers$3,043 SGD to $5,275 SGD

A
Cheapest Retailer
-
$3,043 SGD
A
Retailer 2
-
$3,075 SGD
View
A
Retailer 3
-
$3,345 SGD
View
A
Retailer 4
-
$3,404 SGD
View
A
Retailer 5
-
$3,537 SGD
View
A
Retailer 6
-
$3,704 SGD
View
A
Retailer 7
-
$3,922 SGD
View
Most Expensive
B+
Wholesale Diamonds Direct
675330071 · Nov 6
$5,275 SGD
$4,116 USD
View
7 more retailers have this diamond
Prices start from $3,043 SGDSave up to $2,233 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
1.51ct Heart
$3,043 SGD