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Heart|Natural|GIA

1.51ct F SI2 Heart Natural Diamond

ID • F/SI2 • GIA 6237686959

Certificate GIA 6237686959

Diamond specifications and retailer prices

From $5,292 SGD
As of November 6, 2026
Save $4,861 SGD (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,153 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6237686959. Listed at 7 retailers as of November 3, 2026, with prices from $5,292 to $10,153, a $4,861 spread on the same certified stone. NZ Jewellers lists it at $10,153. 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
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.06°
Pavilion angle42.2°
OriginNatural
Grading LabGIA
CertificateGIA 6237686959
Dimensions6.73 × 8.01 × 4.86 mm
L/W Ratio1.19
Top View
6.73 mm8.01 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237686959
Side View
Table 62.0%Crown 35.06°Girdle: MED-THKPavilion 42.2°Culet: NoneDepth 60.6%

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: $10,153 SGD|Low: $5,292 SGD|High: $10,332 SGD|Avg: $7,049 SGD|-1.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4$5,292 SGD
Retailer 2$5,490 SGD
Retailer 5$5,827 SGD
Retailer 6$5,827 SGD
Retailer 7$6,003 SGD
Retailer 8$6,468 SGD
Retailer 10$6,663 SGD
Retailer 9$8,123 SGD
Retailer 3$9,281 SGD
NZ Jewellers$10,153 SGD

30 data points across 10 retailers

7 retailers$5,292 SGD to $10,153 SGD

A
Cheapest Retailer
-
$5,292 SGD
A
Retailer 2
-
$5,490 SGD
View
A
Retailer 3
-
$5,827 SGD
View
A
Retailer 4
-
$5,827 SGD
View
A
Retailer 5
-
$6,003 SGD
View
B+
Retailer 6
-
$9,281 SGD
View
Most Expensive
B
NZ Jewellers
32984088-0f29-4678-9a41-d7fb0f52f55f · Nov 3
$10,153 SGD
$7,922 USD
View
6 more retailers have this diamond
Prices start from $5,292 SGDSave up to $4,861 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
$5,292 SGD