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Marquise|Lab Grown|IGI

2.54ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818683666

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818683666

Diamond specifications and retailer prices

From $4,789 SGD
$3,746 USD
As of October 31, 2026
Save $15,888 SGD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $20,677 SGD at With Clarity · As of October 31, 2026
View at With Clarity

About this 2.54ct lab-grown marquise diamond

This 2.54ct 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 LG818683666 or 818683666. Listed at 10 retailers as of October 31, 2026, with prices from $4,789 to $20,677, a $15,888 spread on the same certified stone. With Clarity lists it at $20,677. 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

2.54
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683666
Dimensions13.77 × 7.06 × 4.54 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
13.77 mm7.06 mm2.54 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683666
Side View
Table 58.0%Crown 37°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.3%

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: $7,049 SGD|Low: $4,789 SGD|High: $20,677 SGD|Avg: $11,106 SGD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 31, 2026
Retailer 4$4,789 SGD
Retailer 7$6,529 SGD
Retailer 1$7,049 SGD
Retailer 5$8,018 SGD
Retailer 3$8,508 SGD
Retailer 6$11,199 SGD
Retailer 2$11,345 SGD
Retailer 8$14,002 SGD
Retailer 9$18,555 SGD
With Clarity$20,677 SGD

34 data points across 10 retailers

10 retailers$4,789 SGD to $20,677 SGD

A
Cheapest Retailer
-
$4,789 SGD
$3,746 USD
B+
Retailer 2
-
$6,529 SGD
HK$39,900 HKD
View
B+
Retailer 3
-
$7,049 SGD
£4,342 GBP
View
B+
Retailer 4
-
$8,018 SGD
$6,272 USD
View
B+
Retailer 5
-
$8,508 SGD
€6,338 EUR
View
B
Retailer 6
-
$11,199 SGD
$8,760 USD
View
B+
Retailer 7
-
$11,345 SGD
£6,988 GBP
View
Retailer 8
-
$14,002 SGD
$10,952 USD
View
Price last confirmed 7 days ago
B
Retailer 9
-
$18,555 SGD
$14,514 USD
View
Most Expensive
B
With Clarity
818683666 · Oct 31
$20,677 SGD
$16,174 USD
View
9 more retailers have this diamond
Prices start from $4,789 SGDSave up to $15,888 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
2.54ct Marquise
$4,789 SGD