CaratHunter
Plans
Heart|Natural|GIA

1.51ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 2536656053

Certificate GIA 2536656053

Diamond specifications and retailer prices

From $5,852 SGD
As of November 4, 2026
Save $6,536 SGD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,388 SGD at NZ Jewellers · As of November 5, 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 2536656053. Listed at 16 retailers as of November 4, 2026, with prices from $5,852 to $12,388, a $6,536 spread on the same certified stone. NZ Jewellers lists it at $12,388. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.52°
Pavilion angle43.36°
OriginNatural
Grading LabGIA
CertificateGIA 2536656053
Dimensions7.91 × 6.95 × 4.73 mm
L/W Ratio1.14
Top View
7.91 mm6.95 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2536656053
Side View
Table 58.0%Crown 35.52°Girdle: STK-VTKPavilion 43.36°Culet: NoneDepth 59.8%

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 4
Current: $12,388 SGD|Low: $5,162 SGD|High: $12,388 SGD|Avg: $7,853 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$6,194 SGD
Retailer 6$6,710 SGD
Retailer 8$6,710 SGD
Retailer 9$6,710 SGD
Retailer 2$6,941 SGD
Retailer 7$7,044 SGD
Retailer 3$7,112 SGD
Retailer 10$7,510 SGD
Retailer 4$10,883 SGD
NZ Jewellers$12,388 SGD

42 data points across 10 retailers

16 retailers$5,852 SGD to $12,388 SGD

A
Cheapest Retailer
-
$5,852 SGD
A
Retailer 2
-
$6,194 SGD
View
Final sale: no returns
A
Retailer 3
-
$6,245 SGD
View
B+
Retailer 4
-
$6,710 SGD
View
B+
Retailer 5
-
$6,710 SGD
View
Retailer 6
-
$6,710 SGD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$6,941 SGD
View
B+
Retailer 8
-
$7,044 SGD
View
B+
Retailer 9
-
$7,112 SGD
View
B+
Retailer 10
-
$7,510 SGD
View
B+
Retailer 11
-
$7,510 SGD
View
B+
Retailer 12
-
$7,742 SGD
View
B+
Retailer 13
-
$7,754 SGD
View
Retailer 14
-
$8,171 SGD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$10,883 SGD
View
Most Expensive
B
NZ Jewellers
528a9cc3-07a9-4b8d-9681-79e7814dd6f0 · Nov 5
$12,388 SGD
$9,666 USD
View
15 more retailers have this diamond
Prices start from $5,852 SGDSave up to $6,536 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
$5,852 SGD