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Marquise|Natural|IGI

1.51ct J SI2 Marquise Natural Diamond

EX • J/SI2 • IGI 762534384

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 762534384

Diamond specifications and retailer prices

From $3,938 SGD
$3,079 USD
As of October 31, 2026
Save $3,789 SGD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,727 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 762534384. Listed at 14 retailers as of October 31, 2026, with prices from $3,938 to $7,727, a $3,789 spread on the same certified stone. NZ Jewellers lists it at $7,727. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 762534384
Dimensions11.68 × 5.98 × 3.75 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Top View
11.68 mm5.98 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 762534384
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $7,727 SGD|Low: $3,938 SGD|High: $7,964 SGD|Avg: $5,278 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
November 2, 2026
Retailer 12$3,938 SGD
Retailer 4$4,092 SGD
Retailer 11$4,209 SGD
Retailer 13$4,246 SGD
Retailer 6$4,385 SGD
Retailer 9$4,435 SGD
Retailer 5$4,571 SGD
Retailer 2$4,605 SGD
Retailer 8$4,620 SGD
Retailer 3$5,117 SGD
Retailer 7$5,190 SGD
Retailer 10$7,418 SGD
NZ Jewellers$7,727 SGD

45 data points across 13 retailers

14 retailers$3,938 SGD to $7,727 SGD

A
Cheapest Retailer
-
$3,938 SGD
$3,079 USD
A
Retailer 2
-
$4,092 SGD
$3,200 USD
View
Final sale: no returns
A
Retailer 3
-
$4,209 SGD
$3,291 USD
View
A
Retailer 4
-
$4,246 SGD
$3,320 USD
View
A
Retailer 5
-
$4,385 SGD
£2,700 GBP
View
A
Retailer 6
-
$4,435 SGD
$3,468 USD
View
A
Retailer 7
-
$4,571 SGD
$3,574 USD
View
Retailer 8
-
$4,571 SGD
$3,574 USD
View
Price last confirmed 18 days ago
A
Retailer 9
-
$4,605 SGD
$3,601 USD
View
A
Retailer 10
-
$4,620 SGD
$3,613 USD
View
A
Retailer 11
-
$5,117 SGD
$4,001 USD
View
A
Retailer 12
-
$5,190 SGD
€3,865 EUR
View
B+
Retailer 13
-
$7,418 SGD
£4,567 GBP
View
Most Expensive
B+
NZ Jewellers
c5fb1da5-b97b-4ff4-b4f0-bc743ac49258 · Nov 3
$7,727 SGD
$6,042 USD
View
13 more retailers have this diamond
Prices start from $3,938 SGDSave up to $3,789 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 Marquise
$3,938 SGD