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Heart|Natural|GIA

1.51ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 1545236695

Certificate GIA 1545236695

Diamond specifications and retailer prices

From $3,936 SGD
$3,078 USD
As of November 1, 2026
Save $4,095 SGD (51%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,031 SGD at NZ Jewellers · As of October 30, 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 H 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 1545236695. Listed at 16 retailers as of October 30, 2026, with prices from $3,936 to $8,031, a $4,095 spread on the same certified stone. NZ Jewellers lists it at $8,031. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.98°
Pavilion angle43.02°
OriginNatural
Grading LabGIA
CertificateGIA 1545236695
Dimensions7.74 × 7.12 × 4.79 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Feather, Needle
Top View
7.74 mm7.12 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545236695
Side View
Table 59.0%Crown 36.98°Girdle: Slightly ThickPavilion 43.02°Culet: NoneDepth 61.9%

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: $8,031 SGD|Low: $3,431 SGD|High: $8,277 SGD|Avg: $5,383 SGD|-3.0%
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
Retailer 15
November 2, 2026
Retailer 3$3,936 SGD
Retailer 14$4,092 SGD
Retailer 4$4,254 SGD
Retailer 13$4,362 SGD
Retailer 8$4,466 SGD
Retailer 5$4,751 SGD
Retailer 6$4,751 SGD
Retailer 2$4,787 SGD
Retailer 11$4,795 SGD
Retailer 10$4,818 SGD
Retailer 7$4,981 SGD
Retailer 15$5,319 SGD
Retailer 9$5,397 SGD
Retailer 12$7,708 SGD
NZ Jewellers$8,031 SGD

38 data points across 15 retailers

16 retailers$3,936 SGD to $8,031 SGD

A
Cheapest Retailer
-
$3,936 SGD
$3,078 USD
A
Retailer 2
-
$4,092 SGD
$3,200 USD
View
A
Retailer 3
-
$4,254 SGD
$3,326 USD
View
Final sale: no returns
A
Retailer 4
-
$4,362 SGD
$3,411 USD
View
A
Retailer 5
-
$4,466 SGD
£2,749 GBP
View
A
Retailer 6
-
$4,751 SGD
$3,715 USD
View
Retailer 7
-
$4,751 SGD
$3,715 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
$4,751 SGD
$3,715 USD
View
A
Retailer 9
-
$4,787 SGD
$3,743 USD
View
A
Retailer 10
-
$4,795 SGD
$3,750 USD
View
A
Retailer 11
-
$4,818 SGD
£2,966 GBP
View
A
Retailer 12
-
$4,981 SGD
$3,895 USD
View
A
Retailer 13
-
$5,319 SGD
$4,159 USD
View
A
Retailer 14
-
$5,397 SGD
€4,019 EUR
View
B
Retailer 15
-
$7,708 SGD
£4,746 GBP
View
Most Expensive
B+
NZ Jewellers
428ed931-ddf7-41ee-abfb-fdfe9752e5c1 · Oct 30
$8,031 SGD
$6,280 USD
View
15 more retailers have this diamond
Prices start from $3,936 SGDSave up to $4,095 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
$3,936 SGD