Heart|Natural|IGI

1.51ct G SI2 Heart Natural Diamond

VG • G/SI2 • IGI 743535355

Shape and cutting style on the report: Heart brilliant

Certificate IGI 743535355

Diamond specifications and retailer prices

From $3,392 SGD
$2,652 USD
As of November 1, 2026
Save $4,527 SGD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,919 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 very-good cut grade and certified by IGI 743535355. Listed at 12 retailers as of October 30, 2026, with prices from $3,392 to $7,919, a $4,527 spread on the same certified stone. NZ Jewellers lists it at $7,919. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.5°
OriginNatural
Grading LabIGI
CertificateIGI 743535355
Dimensions6.85 × 7.85 × 4.68 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Top View
6.85 mm7.85 mm1.51 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI 743535355
Side View
Table 57.0%Crown 36.9°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 59.6%

Caratlytics Score

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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: $7,919 SGD|Low: $3,205 SGD|High: $7,919 SGD|Avg: $4,339 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
November 2, 2026
Retailer 5$3,392 SGD
Retailer 10$3,497 SGD
Retailer 13$3,504 SGD
Retailer 11$3,621 SGD
Retailer 2$3,670 SGD
Retailer 12$3,788 SGD
Retailer 14$3,788 SGD
Retailer 9$3,934 SGD
Retailer 4$3,970 SGD
Retailer 6$3,980 SGD
Retailer 15$4,371 SGD
Retailer 3$4,507 SGD
Retailer 7$4,627 SGD
Retailer 8$6,334 SGD
NZ Jewellers$7,919 SGD

35 data points across 15 retailers

12 retailers$3,392 SGD to $7,919 SGD

A
Cheapest Retailer
-
$3,392 SGD
$2,652 USD
A
Retailer 2
-
$3,497 SGD
$2,734 USD
View
Final sale: no returns
A
Retailer 3
-
$3,504 SGD
$2,740 USD
View
A
Retailer 4
-
$3,621 SGD
$2,832 USD
View
A
Retailer 5
-
$3,670 SGD
£2,259 GBP
View
B+
Retailer 6
-
$3,788 SGD
$2,962 USD
View
B+
Retailer 7
-
$3,788 SGD
$2,962 USD
View
B+
Retailer 8
-
$3,934 SGD
$3,076 USD
View
B+
Retailer 9
-
$3,970 SGD
$3,104 USD
View
B+
Retailer 10
-
$4,371 SGD
$3,418 USD
View
B+
Retailer 11
-
$6,334 SGD
£3,900 GBP
View
Most Expensive
B
NZ Jewellers
4fd0a448-43df-424a-8443-5fa286347a15 · Oct 30
$7,919 SGD
$6,192 USD
View
11 more retailers have this diamond
Prices start from $3,392 SGDSave up to $4,527 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
$3,392 SGD