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Marquise|Natural|IGI

2.50ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 799675095

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 799675095

Diamond specifications and retailer prices

From $9,368 SGD
As of October 31, 2026
Save $5,657 SGD (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $15,025 SGD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 2.5ct natural marquise diamond

This 2.5ct 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 799675095. Listed at 7 retailers as of October 31, 2026, with prices from $9,368 to $15,025, a $5,657 spread on the same certified stone. The Diamond Guys lists it at $15,025. 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

2.50
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle38.5°
OriginNatural
Grading LabIGI
CertificateIGI 799675095
Dimensions12.93 × 6.99 × 4.45 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
12.93 mm6.99 mm2.50 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 799675095
Side View
Table 57.0%Crown 40.2°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 63.7%

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: Oct 31
Current: $13,258 SGD|Low: $9,368 SGD|High: $17,592 SGD|Avg: $13,105 SGD|-12.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
The Diamond Guys
November 2, 2026
Retailer 3$9,368 SGD
Retailer 7$9,506 SGD
Retailer 2$10,969 SGD
Retailer 4$11,164 SGD
Retailer 5$12,847 SGD
Retailer 1$13,258 SGD
Retailer 6$13,553 SGD
The Diamond Guys$15,025 SGD
Retailer 8$17,592 SGD

29 data points across 9 retailers

7 retailers$9,368 SGD to $15,025 SGD

A
Cheapest Retailer
-
$9,368 SGD
A
Retailer 2
-
$10,969 SGD
$8,580 USD
View
A
Retailer 3
-
$11,164 SGD
$8,733 USD
View
A
Retailer 4
-
$12,847 SGD
$10,050 USD
View
A
Retailer 5
-
$13,258 SGD
€9,877 EUR
View
A
Retailer 6
-
$13,553 SGD
$10,602 USD
View
Most Expensive
B+
The Diamond Guys
1959627130 · Nov 2
$15,025 SGD
$11,753 USD
View
6 more retailers have this diamond
Prices start from $9,368 SGDSave up to $5,657 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
2.50ct Marquise
$9,368 SGD