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Marquise|Natural|IGI

1.51ct J I1 Marquise Natural Diamond

ID • J/I1 • IGI 520279005

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 520279005

Diamond specifications and retailer prices

From $2,964 SGD
$2,318 USD
As of November 1, 2026
Save $1,170 SGD (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,135 SGD at Yorxs · As of November 2, 2026
View at Yorxs

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 I1 clarity (included), with a top-tier cut grade and certified by IGI 520279005. Listed at 2 retailers as of November 1, 2026, with prices from $2,964 to $4,135, a $1,170 spread on the same certified stone. Yorxs lists it at $4,135. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
J
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.6°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 520279005
Dimensions12.39 × 5.70 × 3.69 mm
L/W Ratio2.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
12.39 mm5.70 mm1.51 ctJ / I1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 520279005
Side View
Table 61.0%Crown 38.6°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,964 SGD|Low: $1,575 SGD|High: $4,136 SGD|Avg: $3,139 SGD
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 2, 2026
Retailer 3$1,575 SGD
Retailer 1$2,964 SGD
Retailer 2$3,941 SGD
Yorxs$4,135 SGD

17 data points across 4 retailers

2 retailers$2,964 SGD to $4,135 SGD

B+
Cheapest Retailer
-
$2,964 SGD
$2,318 USD
Most Expensive
B+
Yorxs
165CBA791 · Nov 2
$4,135 SGD
€3,079 EUR
View
1 more retailer has this diamond
Prices start from $2,964 SGDSave up to $1,170 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.

B+
1.51ct Marquise
$2,964 SGD