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Heart|Natural|GIA

1.51ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5536874543

Certificate GIA 5536874543

Diamond specifications and retailer prices

From $3,943 SGD
₹293,621 INR
As of November 2, 2026
Save $5,107 SGD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,049 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5536874543. Listed at 19 retailers as of October 30, 2026, with prices from $3,943 to $9,049, a $5,107 spread on the same certified stone. NZ Jewellers lists it at $9,049. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5536874543
Dimensions7.80 × 6.95 × 4.69 mm
L/W Ratio1.12
Top View
7.80 mm6.95 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5536874543
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 60.0%

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 2
Current: $9,049 SGD|Low: $3,935 SGD|High: $9,049 SGD|Avg: $5,540 SGD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 13$3,943 SGD
Retailer 8$4,127 SGD
Retailer 17$4,499 SGD
Retailer 10$4,570 SGD
Retailer 3$4,846 SGD
Retailer 14$4,894 SGD
Retailer 5$4,949 SGD
Retailer 6$5,194 SGD
Retailer 9$5,194 SGD
Retailer 19$5,194 SGD
Retailer 15$5,313 SGD
Retailer 7$5,382 SGD
Retailer 12$5,497 SGD
Retailer 18$5,508 SGD
Retailer 20$5,729 SGD
Retailer 11$5,745 SGD
Retailer 4$5,993 SGD
Retailer 16$6,384 SGD
Retailer 2$8,686 SGD
NZ Jewellers$9,049 SGD

24 data points across 20 retailers

19 retailers$3,943 SGD to $9,049 SGD

A
Cheapest Retailer
-
$3,943 SGD
₹293,621 INR
A
Retailer 2
-
$4,127 SGD
$3,227 USD
View
Final sale: no returns
A
Retailer 3
-
$4,435 SGD
$3,468 USD
View
A
Retailer 4
-
$4,499 SGD
$3,518 USD
View
A
Retailer 5
-
$4,570 SGD
$3,573 USD
View
A
Retailer 6
-
$4,846 SGD
$3,789 USD
View
A
Retailer 7
-
$4,894 SGD
£3,013 GBP
View
A
Retailer 8
-
$4,949 SGD
$3,870 USD
View
A
Retailer 9
-
$5,194 SGD
$4,061 USD
View
A
Retailer 10
-
$5,194 SGD
$4,061 USD
View
A
Retailer 11
-
$5,194 SGD
$4,061 USD
View
A
Retailer 12
-
$5,313 SGD
£3,271 GBP
View
A
Retailer 13
-
$5,382 SGD
$4,209 USD
View
B+
Retailer 14
-
$5,508 SGD
$4,307 USD
View
B+
Retailer 15
-
$5,729 SGD
$4,480 USD
View
B+
Retailer 16
-
$5,993 SGD
$4,686 USD
View
B+
Retailer 17
-
$6,384 SGD
ZAR 80,648 ZAR
View
B
Retailer 18
-
$8,686 SGD
£5,348 GBP
View
Most Expensive
B
NZ Jewellers
9d7b34f9-47f0-45e8-b228-c6f318744f89 · Oct 30
$9,049 SGD
$7,076 USD
View
18 more retailers have this diamond
Prices start from $3,943 SGDSave up to $5,107 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
$3,943 SGD