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Marquise|Natural|IGI

1.51ct H VS1 Marquise Natural Diamond

VG • H/VS1 • IGI 801638680

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 801638680

Diamond specifications and retailer prices

From $9,948 SGD
₹741,078 INR
As of November 1, 2026
Save $11,584 SGD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $21,532 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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 801638680. Listed at 19 retailers as of October 30, 2026, with prices from $9,948 to $21,532, a $11,584 spread on the same certified stone. NZ Jewellers lists it at $21,532. 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
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 801638680
Dimensions10.63 × 5.86 × 3.97 mm
L/W Ratio1.81
Girdle conditionFaceted
Top View
10.63 mm5.86 mm1.51 ctH / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 801638680
Side View
Table 58.0%Crown 42.2°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 67.7%

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 1
Current: $21,532 SGD|Low: $9,924 SGD|High: $21,532 SGD|Avg: $13,859 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
Retailer 16
November 2, 2026
Retailer 11$9,948 SGD
Retailer 14$11,780 SGD
Retailer 10$11,807 SGD
Retailer 2$11,874 SGD
Retailer 7$11,883 SGD
Retailer 15$11,884 SGD
Retailer 4$12,873 SGD
Retailer 8$12,941 SGD
Retailer 16$13,072 SGD
Retailer 5$13,291 SGD
Retailer 9$13,618 SGD
Retailer 3$14,854 SGD
Retailer 6$15,329 SGD
Retailer 13$15,816 SGD
Retailer 12$16,814 SGD
NZ Jewellers$21,532 SGD

31 data points across 16 retailers

19 retailers$9,948 SGD to $21,532 SGD

A
Cheapest Retailer
-
$9,948 SGD
₹741,078 INR
A
Retailer 2
-
$10,970 SGD
$8,581 USD
View
A
Retailer 3
-
$11,127 SGD
$8,704 USD
View
A
Retailer 4
-
$11,780 SGD
$9,215 USD
View
A
Retailer 5
-
$11,807 SGD
£7,272 GBP
View
A
Retailer 6
-
$11,874 SGD
£7,313 GBP
View
A
Retailer 7
-
$11,883 SGD
$9,295 USD
View
Final sale: no returns
A
Retailer 8
-
$11,884 SGD
$9,296 USD
View
B+
Retailer 9
-
$12,873 SGD
$10,070 USD
View
B+
Retailer 10
-
$12,898 SGD
£7,944 GBP
View
Retailer 11
-
$12,941 SGD
$10,123 USD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$13,072 SGD
$10,225 USD
View
B+
Retailer 13
-
$13,166 SGD
$10,299 USD
View
B+
Retailer 14
-
$13,291 SGD
$10,396 USD
View
B+
Retailer 15
-
$13,618 SGD
€10,145 EUR
View
B+
Retailer 16
-
$14,854 SGD
$11,619 USD
View
B+
Retailer 17
-
$15,816 SGD
ZAR 199,864 ZAR
View
B
Retailer 18
-
$16,814 SGD
£10,356 GBP
View
Most Expensive
B
NZ Jewellers
c33492fe-df17-4cad-9a7e-0f833ab2a11e · Oct 30
$21,532 SGD
$16,843 USD
View
18 more retailers have this diamond
Prices start from $9,948 SGDSave up to $11,584 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
$9,948 SGD