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Marquise|Lab Grown|IGI

2.50ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG818673798

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818673798

Diamond specifications and retailer prices

From $3,890 SGD
$3,043 USD
As of October 30, 2026
Save $11,823 SGD (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $15,714 SGD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 2.5ct lab-grown marquise diamond

This 2.5ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818673798 or 818673798. Listed at 19 retailers as of October 30, 2026, with prices from $3,890 to $15,714, a $11,823 spread on the same certified stone. Taylor and Hart lists it at $15,714. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.50
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818673798
Dimensions13.48 × 7.04 × 4.11 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.48 mm7.04 mm2.50 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818673798
Side View
Table 62.0%Crown 33.9°Girdle: THK-VTKPavilion 35.3°Culet: NoneDepth 58.4%

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: Oct 30
Current: $6,098 SGD|Low: $3,734 SGD|High: $15,714 SGD|Avg: $6,836 SGD|-2.4%
Retailer 1
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
Retailer 17
Retailer 18
Taylor and Hart
October 31, 2026
Retailer 2$3,890 SGD
Retailer 7$4,180 SGD
Retailer 16$4,232 SGD
Retailer 3$4,357 SGD
Retailer 5$4,513 SGD
Retailer 8$4,513 SGD
Retailer 6$4,542 SGD
Retailer 11$4,577 SGD
Retailer 17$4,717 SGD
Retailer 14$5,478 SGD
Retailer 4$5,639 SGD
Retailer 1$6,098 SGD
Retailer 15$6,351 SGD
Retailer 9$7,011 SGD
Retailer 10$7,774 SGD
Retailer 18$11,334 SGD
Retailer 13$11,453 SGD
Retailer 12$11,640 SGD
Taylor and Hart$15,714 SGD

31 data points across 19 retailers

19 retailers$3,890 SGD to $15,714 SGD

A
Cheapest Retailer
-
$3,890 SGD
$3,043 USD
A
Retailer 2
-
$4,180 SGD
$3,270 USD
View
A
Retailer 3
-
$4,232 SGD
$3,310 USD
View
A
Retailer 4
-
$4,357 SGD
$3,408 USD
View
Final sale: no returns
Retailer 5
-
$4,513 SGD
$3,530 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$4,513 SGD
$3,530 USD
View
A
Retailer 7
-
$4,542 SGD
$3,553 USD
View
A
Retailer 8
-
$4,577 SGD
£2,819 GBP
View
A
Retailer 9
-
$4,717 SGD
$3,690 USD
View
B+
Retailer 10
-
$5,478 SGD
$4,285 USD
View
B+
Retailer 11
-
$5,639 SGD
$4,411 USD
View
B+
Retailer 12
-
$6,098 SGD
£3,756 GBP
View
B+
Retailer 13
-
$6,351 SGD
$4,968 USD
View
B+
Retailer 14
-
$7,011 SGD
$5,484 USD
View
B+
Retailer 15
-
$7,774 SGD
£4,788 GBP
View
B
Retailer 16
-
$11,334 SGD
$8,866 USD
View
B
Retailer 17
-
$11,453 SGD
£7,054 GBP
View
B
Retailer 18
-
$11,640 SGD
ZAR 147,090 ZAR
View
Most Expensive
B
Taylor and Hart
QL501ID · Oct 30
$15,714 SGD
$12,292 USD
View
18 more retailers have this diamond
Prices start from $3,890 SGDSave up to $11,823 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
$3,890 SGD