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Marquise|Natural|IGI

2.51ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 765635213

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 765635213

Diamond specifications and retailer prices

From $15,759 SGD
₹1,173,532 INR
As of November 2, 2026
Save $9,811 SGD (38%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $25,570 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural marquise diamond

This 2.51ct natural marquise sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 765635213. Listed at 12 retailers as of November 1, 2026, with prices from $15,759 to $25,570, a $9,811 spread on the same certified stone. MOH London lists it at $25,570. 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

2.51
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle37.7°
OriginNatural
Grading LabIGI
CertificateIGI 765635213
Dimensions13.51 × 7.21 × 4.23 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Top View
13.51 mm7.21 mm2.51 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 765635213
Side View
Table 55.0%Crown 32.6°Girdle: THK-VTKPavilion 37.7°Culet: NoneDepth 58.7%

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 2
Current: $25,570 SGD|Low: $15,727 SGD|High: $28,201 SGD|Avg: $20,143 SGD|-9.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2$15,759 SGD
Retailer 11$16,133 SGD
Retailer 3$16,778 SGD
Retailer 4$17,318 SGD
Retailer 12$18,635 SGD
Retailer 5$19,097 SGD
Retailer 9$19,277 SGD
Retailer 10$19,579 SGD
Retailer 7$20,331 SGD
Retailer 6$20,623 SGD
Retailer 8$23,194 SGD
MOH London$25,570 SGD

41 data points across 12 retailers

12 retailers$15,759 SGD to $25,570 SGD

A
Cheapest Retailer
-
$15,759 SGD
₹1,173,532 INR
A
Retailer 2
-
$16,133 SGD
$12,615 USD
View
A
Retailer 3
-
$16,778 SGD
$13,119 USD
View
A
Retailer 4
-
$17,318 SGD
$13,541 USD
View
Final sale: no returns
B+
Retailer 5
-
$18,635 SGD
$14,571 USD
View
A
Retailer 6
-
$19,097 SGD
£11,758 GBP
View
B+
Retailer 7
-
$19,277 SGD
$15,073 USD
View
B+
Retailer 8
-
$19,579 SGD
$15,309 USD
View
B+
Retailer 9
-
$20,331 SGD
$15,897 USD
View
A
Retailer 10
-
$20,623 SGD
€15,358 EUR
View
B+
Retailer 11
-
$23,194 SGD
$18,136 USD
View
Most Expensive
B+
MOH London
4A2A77C0B · Nov 1
$25,570 SGD
£15,743 GBP
View
11 more retailers have this diamond
Prices start from $15,759 SGDSave up to $9,811 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
2.51ct Marquise
$15,759 SGD