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Marquise|Natural|IGI

1.51ct J I1 Marquise Natural Diamond

VG • J/I1 • IGI 811694598

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 811694598

Diamond specifications and retailer prices

From $2,620 SGD
₹195,083 INR
As of November 2, 2026
Save $4,281 SGD (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,901 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 I1 clarity (included), with a very-good cut grade and certified by IGI 811694598. Listed at 10 retailers as of November 2, 2026, with prices from $2,620 to $6,901, a $4,281 spread on the same certified stone. NZ Jewellers lists it at $6,901. 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
J
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle37.1°
OriginNatural
Grading LabIGI
CertificateIGI 811694598
Dimensions11.41 × 5.98 × 3.67 mm
L/W Ratio1.91
Girdle conditionFaceted
Top View
11.41 mm5.98 mm1.51 ctJ / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811694598
Side View
Table 58.0%Crown 42.3°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 61.4%

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 2
Current: $6,901 SGD|Low: $2,620 SGD|High: $7,103 SGD|Avg: $3,543 SGD|-2.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2$2,620 SGD
Retailer 3$2,839 SGD
Retailer 5$2,955 SGD
Retailer 4$3,040 SGD
Retailer 9$3,048 SGD
Retailer 6$3,301 SGD
Retailer 8$3,301 SGD
Retailer 7$3,453 SGD
Retailer 10$3,809 SGD
NZ Jewellers$6,901 SGD

12 data points across 10 retailers

10 retailers$2,620 SGD to $6,901 SGD

A
Cheapest Retailer
-
$2,620 SGD
₹195,083 INR
A
Retailer 2
-
$2,839 SGD
$2,220 USD
View
B+
Retailer 3
-
$2,955 SGD
$2,311 USD
View
B+
Retailer 4
-
$3,040 SGD
$2,377 USD
View
B+
Retailer 5
-
$3,048 SGD
$2,383 USD
View
Final sale: no returns
B+
Retailer 6
-
$3,301 SGD
$2,581 USD
View
B+
Retailer 7
-
$3,301 SGD
$2,581 USD
View
B+
Retailer 8
-
$3,453 SGD
$2,700 USD
View
B+
Retailer 9
-
$3,809 SGD
$2,978 USD
View
Most Expensive
B+
NZ Jewellers
556e692e-8569-4c8f-bf0f-7ca0389884d8 · Nov 3
$6,901 SGD
$5,396 USD
View
9 more retailers have this diamond
Prices start from $2,620 SGDSave up to $4,281 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
$2,620 SGD