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Marquise|Natural|IGI

1.51ct L SI2 Marquise Natural Diamond

VG • L/SI2 • IGI 788607795

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 788607795

Diamond specifications and retailer prices

From $2,798 SGD
As of November 6, 2026
Save $3,776 SGD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,573 SGD at NZ Jewellers · As of November 5, 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 788607795. Listed at 11 retailers as of November 5, 2026, with prices from $2,798 to $6,573, a $3,776 spread on the same certified stone. NZ Jewellers lists it at $6,573. 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
L
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle39°
OriginNatural
Grading LabIGI
CertificateIGI 788607795
Dimensions11.11 × 5.94 × 3.85 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Top View
11.11 mm5.94 mm1.51 ctL / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788607795
Side View
Table 58.0%Crown 43.2°Girdle: STK-THKPavilion 39°Culet: NoneDepth 64.8%

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 6
Current: $6,573 SGD|Low: $2,798 SGD|High: $6,775 SGD|Avg: $3,671 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
November 6, 2026
Retailer 2$2,798 SGD
Retailer 11$3,078 SGD
Retailer 5$3,127 SGD
Retailer 10$3,144 SGD
Retailer 3$3,241 SGD
Retailer 6$3,276 SGD
Retailer 9$3,289 SGD
Retailer 12$3,308 SGD
Retailer 8$3,574 SGD
Retailer 7$3,845 SGD
Retailer 4$3,855 SGD
NZ Jewellers$6,573 SGD

43 data points across 12 retailers

11 retailers$2,798 SGD to $6,573 SGD

B+
Cheapest Retailer
-
$2,798 SGD
B+
Retailer 2
-
$3,078 SGD
View
B+
Retailer 3
-
$3,127 SGD
View
B+
Retailer 4
-
$3,144 SGD
View
Retailer 5
-
$3,241 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,276 SGD
View
B+
Retailer 7
-
$3,289 SGD
View
B+
Retailer 8
-
$3,308 SGD
View
B+
Retailer 9
-
$3,574 SGD
View
B+
Retailer 10
-
$3,845 SGD
View
Most Expensive
C
NZ Jewellers
1593ac59-6a09-4efc-bda3-2d27ad30e31a · Nov 5
$6,573 SGD
$5,129 USD
View
10 more retailers have this diamond
Prices start from $2,798 SGDSave up to $3,776 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
$2,798 SGD