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Heart|Natural|GIA

1.51ct G SI2 Heart Natural Diamond

ID • G/SI2 • GIA 2558589233

Certificate GIA 2558589233

Diamond specifications and retailer prices

From $4,266 SGD
$3,336 USD
As of October 30, 2026
Save $5,940 SGD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,207 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 G 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 2558589233. Listed at 15 retailers as of October 30, 2026, with prices from $4,266 to $10,207, a $5,940 spread on the same certified stone. NZ Jewellers lists it at $10,207. 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
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558589233
Dimensions7.86 × 6.72 × 4.82 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
7.86 mm6.72 mm1.51 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558589233
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 61.3%

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: Oct 30
Current: $10,207 SGD|Low: $4,044 SGD|High: $10,207 SGD|Avg: $6,089 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
November 2, 2026
Retailer 9$4,266 SGD
Retailer 7$4,483 SGD
Retailer 6$4,852 SGD
Retailer 14$5,307 SGD
Retailer 15$5,307 SGD
Retailer 16$5,307 SGD
Retailer 8$5,371 SGD
Retailer 17$5,634 SGD
Retailer 2$5,676 SGD
Retailer 3$5,985 SGD
Retailer 4$5,985 SGD
Retailer 13$6,125 SGD
Retailer 5$6,177 SGD
Retailer 10$6,508 SGD
Retailer 18$6,626 SGD
Retailer 11$6,628 SGD
Retailer 12$9,331 SGD
NZ Jewellers$10,207 SGD

30 data points across 18 retailers

15 retailers$4,266 SGD to $10,207 SGD

A
Cheapest Retailer
-
$4,266 SGD
$3,336 USD
A
Retailer 2
-
$4,483 SGD
$3,505 USD
View
A
Retailer 3
-
$5,307 SGD
$4,150 USD
View
A
Retailer 4
-
$5,307 SGD
$4,150 USD
View
A
Retailer 5
-
$5,371 SGD
$4,200 USD
View
A
Retailer 6
-
$5,634 SGD
$4,405 USD
View
A
Retailer 7
-
$5,676 SGD
£3,494 GBP
View
A
Retailer 8
-
$5,964 SGD
$4,663 USD
View
A
Retailer 9
-
$5,985 SGD
$4,680 USD
View
A
Retailer 10
-
$5,985 SGD
$4,680 USD
View
B+
Retailer 11
-
$6,125 SGD
$4,789 USD
View
B+
Retailer 12
-
$6,177 SGD
$4,830 USD
View
B+
Retailer 13
-
$6,628 SGD
€4,936 EUR
View
B+
Retailer 14
-
$9,331 SGD
£5,745 GBP
View
Most Expensive
B
NZ Jewellers
0de007c3-c249-4d1f-b0b4-5b34d64af8d8 · Oct 30
$10,207 SGD
$7,981 USD
View
14 more retailers have this diamond
Prices start from $4,266 SGDSave up to $5,940 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
$4,266 SGD