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Heart|Natural|GIA

1.51ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 7558902646

Certificate GIA 7558902646

Diamond specifications and retailer prices

From $5,218 SGD
$4,080 USD
As of November 1, 2026
Save $6,859 SGD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,077 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 7558902646. Listed at 17 retailers as of October 30, 2026, with prices from $5,218 to $12,077, a $6,859 spread on the same certified stone. NZ Jewellers lists it at $12,077. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558902646
Dimensions8.10 × 6.90 × 4.73 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
8.10 mm6.90 mm1.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558902646
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.4%

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 1
Current: $12,077 SGD|Low: $5,218 SGD|High: $12,077 SGD|Avg: $7,489 SGD|+1.0%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 7$5,218 SGD
Retailer 8$5,483 SGD
Retailer 9$6,446 SGD
Retailer 16$6,542 SGD
Retailer 17$6,542 SGD
Retailer 18$6,542 SGD
Retailer 11$6,545 SGD
Retailer 12$6,803 SGD
Retailer 19$6,874 SGD
Retailer 4$7,328 SGD
Retailer 5$7,328 SGD
Retailer 10$7,410 SGD
Retailer 15$7,548 SGD
Retailer 6$7,571 SGD
Retailer 3$7,966 SGD
Retailer 13$8,169 SGD
Retailer 14$8,875 SGD
Retailer 2$11,501 SGD
NZ Jewellers$12,077 SGD

29 data points across 19 retailers

17 retailers$5,218 SGD to $12,077 SGD

A
Cheapest Retailer
-
$5,218 SGD
$4,080 USD
A
Retailer 2
-
$5,483 SGD
$4,287 USD
View
B+
Retailer 3
-
$6,446 SGD
$5,040 USD
View
B+
Retailer 4
-
$6,542 SGD
$5,115 USD
View
B+
Retailer 5
-
$6,542 SGD
$5,115 USD
View
B+
Retailer 6
-
$6,803 SGD
£4,189 GBP
View
B+
Retailer 7
-
$6,874 SGD
$5,375 USD
View
B+
Retailer 8
-
$7,170 SGD
$5,606 USD
View
B+
Retailer 9
-
$7,328 SGD
$5,730 USD
View
B+
Retailer 10
-
$7,328 SGD
$5,730 USD
View
B+
Retailer 11
-
$7,410 SGD
$5,794 USD
View
B
Retailer 12
-
$7,548 SGD
$5,902 USD
View
B
Retailer 13
-
$7,571 SGD
$5,920 USD
View
B+
Retailer 14
-
$8,169 SGD
€6,083 EUR
View
B
Retailer 15
-
$8,875 SGD
ZAR 112,114 ZAR
View
B
Retailer 16
-
$11,501 SGD
£7,081 GBP
View
Most Expensive
B
NZ Jewellers
e47d9d5f-ffb1-457d-896a-4ff81f37f967 · Oct 30
$12,077 SGD
$9,443 USD
View
16 more retailers have this diamond
Prices start from $5,218 SGDSave up to $6,859 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
$5,218 SGD