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Marquise|Natural|IGI

1.51ct H SI2 Marquise Natural Diamond

VG • H/SI2 • IGI 743558411

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743558411

Diamond specifications and retailer prices

From $4,636 SGD
₹345,263 INR
As of November 2, 2026
Save $6,591 SGD (59%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,227 SGD at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743558411. Listed at 17 retailers as of October 30, 2026, with prices from $4,636 to $11,227, a $6,591 spread on the same certified stone. NZ Jewellers lists it at $11,227. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle37.3°
OriginNatural
Grading LabIGI
CertificateIGI 743558411
Dimensions11.46 × 5.78 × 3.69 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Top View
11.46 mm5.78 mm1.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743558411
Side View
Table 60.0%Crown 46.2°Girdle: THN-STKPavilion 37.3°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
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 2
Current: $11,227 SGD|Low: $4,628 SGD|High: $11,227 SGD|Avg: $6,834 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 2$4,636 SGD
Retailer 6$4,933 SGD
Retailer 14$4,962 SGD
Retailer 4$5,433 SGD
Retailer 5$5,960 SGD
Retailer 3$6,056 SGD
Retailer 7$6,196 SGD
Retailer 8$6,503 SGD
Retailer 9$6,524 SGD
Retailer 11$6,713 SGD
Retailer 12$6,713 SGD
Retailer 13$6,713 SGD
Retailer 15$7,745 SGD
Retailer 10$10,692 SGD
NZ Jewellers$11,227 SGD

26 data points across 15 retailers

17 retailers$4,636 SGD to $11,227 SGD

A
Cheapest Retailer
-
$4,636 SGD
₹345,263 INR
A
Retailer 2
-
$4,933 SGD
$3,857 USD
View
A
Retailer 3
-
$4,962 SGD
$3,880 USD
View
A
Retailer 4
-
$5,433 SGD
$4,248 USD
View
A
Retailer 5
-
$5,960 SGD
$4,660 USD
View
A
Retailer 6
-
$6,056 SGD
$4,735 USD
View
B+
Retailer 7
-
$6,196 SGD
$4,845 USD
View
Final sale: no returns
A
Retailer 8
-
$6,503 SGD
£4,004 GBP
View
A
Retailer 9
-
$6,524 SGD
€4,858 EUR
View
A
Retailer 10
-
$6,713 SGD
$5,249 USD
View
A
Retailer 11
-
$6,713 SGD
$5,249 USD
View
A
Retailer 12
-
$6,713 SGD
$5,249 USD
View
B+
Retailer 13
-
$6,908 SGD
$5,402 USD
View
B+
Retailer 14
-
$7,745 SGD
$6,056 USD
View
Retailer 15
-
$7,745 SGD
$6,056 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
$10,692 SGD
£6,583 GBP
View
Most Expensive
B
NZ Jewellers
e8359b12-fd68-4b4d-a271-e836f1c8de0f · Oct 30
$11,227 SGD
$8,779 USD
View
16 more retailers have this diamond
Prices start from $4,636 SGDSave up to $6,591 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
$4,636 SGD