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Marquise|Natural|IGI

1.51ct E SI2 Marquise Natural Diamond

VG • E/SI2 • IGI 811694563

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 811694563

Diamond specifications and retailer prices

From $5,315 SGD
₹395,766 INR
As of November 2, 2026
Save $5,615 SGD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,929 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 E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 811694563. Listed at 15 retailers as of October 30, 2026, with prices from $5,315 to $10,929, a $5,615 spread on the same certified stone. NZ Jewellers lists it at $10,929. 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
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle44.6°
Pavilion angle36.9°
OriginNatural
Grading LabIGI
CertificateIGI 811694563
Dimensions11.15 × 5.86 × 3.70 mm
L/W Ratio1.90
Girdle conditionFaceted
Top View
11.15 mm5.86 mm1.51 ctE / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateIGI 811694563
Side View
Table 61.0%Crown 44.6°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 63.1%

Caratlytics Score

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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: $10,929 SGD|Low: $5,315 SGD|High: $11,713 SGD|Avg: $6,934 SGD|-6.7%
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 8$5,315 SGD
Retailer 14$5,550 SGD
Retailer 13$5,666 SGD
Retailer 11$5,682 SGD
Retailer 5$5,696 SGD
Retailer 9$5,800 SGD
Retailer 15$6,155 SGD
Retailer 4$6,219 SGD
Retailer 12$6,740 SGD
Retailer 6$6,948 SGD
Retailer 10$6,965 SGD
Retailer 7$7,003 SGD
Retailer 2$7,103 SGD
Retailer 3$9,805 SGD
NZ Jewellers$10,929 SGD

15 data points across 15 retailers

15 retailers$5,315 SGD to $10,929 SGD

A
Cheapest Retailer
-
$5,315 SGD
₹395,766 INR
A
Retailer 2
-
$5,550 SGD
$4,340 USD
View
A
Retailer 3
-
$5,666 SGD
$4,430 USD
View
A
Retailer 4
-
$5,682 SGD
$4,443 USD
View
Final sale: no returns
A
Retailer 5
-
$5,696 SGD
$4,454 USD
View
A
Retailer 6
-
$5,800 SGD
£3,571 GBP
View
A
Retailer 7
-
$6,155 SGD
$4,813 USD
View
A
Retailer 8
-
$6,219 SGD
$4,863 USD
View
A
Retailer 9
-
$6,740 SGD
$5,270 USD
View
Retailer 10
-
$6,948 SGD
$5,433 USD
View
Price last confirmed 16 days ago
A
Retailer 11
-
$6,965 SGD
€5,187 EUR
View
Retailer 12
-
$7,003 SGD
$5,476 USD
View
Price last confirmed 17 days ago
A
Retailer 13
-
$7,103 SGD
$5,554 USD
View
B+
Retailer 14
-
$9,805 SGD
£6,037 GBP
View
Most Expensive
B+
NZ Jewellers
157ccc28-e7ba-430a-803f-13a072cb24b5 · Oct 30
$10,929 SGD
$8,546 USD
View
14 more retailers have this diamond
Prices start from $5,315 SGDSave up to $5,615 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
$5,315 SGD