Marquise|Lab Grown|IGI

2.63ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818684393

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818684393

Diamond specifications and retailer prices

From $3,878 USD
As of October 30, 2026
Save $12,870 USD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $16,748 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 2.63ct lab-grown marquise diamond

This 2.63ct 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 LG818684393 or 818684393. Listed at 9 retailers as of October 30, 2026, with prices from $3,878 to $16,748, a $12,870 spread on the same certified stone. With Clarity lists it at $16,748. 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

2.63
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818684393
Dimensions13.99 × 7.19 × 4.57 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
13.99 mm7.19 mm2.63 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818684393
Side View
Table 60.0%Crown 36.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
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: $5,566 USD|Low: $3,878 USD|High: $16,748 USD|Avg: $9,366 USD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 30, 2026
Retailer 4$3,878 USD
Retailer 1$5,566 USD
Retailer 5$6,492 USD
Retailer 3$6,891 USD
Retailer 6$9,070 USD
Retailer 2$9,171 USD
Retailer 8$11,341 USD
Retailer 7$15,031 USD
With Clarity$16,748 USD

33 data points across 9 retailers

9 retailers$3,878 USD to $16,748 USD

A
Cheapest Retailer
-
$3,878 USD
B+
Retailer 2
-
$5,566 USD
£4,383 GBP
View
B+
Retailer 3
-
$6,492 USD
View
B+
Retailer 4
-
$6,891 USD
€6,563 EUR
View
B
Retailer 5
-
$9,070 USD
View
B+
Retailer 6
-
$9,171 USD
£7,221 GBP
View
B
Retailer 7
-
$11,341 USD
View
B
Retailer 8
-
$15,031 USD
View
Most Expensive
B
With Clarity
818684393 · Oct 30
$16,748 USD
View
8 more retailers have this diamond
Prices start from $3,878 USDSave up to $12,870 USD

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
2.63ct Marquise
$3,878 USD