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Marquise|Lab Grown|IGI

2.50ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG803613404

Certificate IGI LG803613404

Diamond specifications and retailer prices

From $1,510 USD
HK$11,800 HKD
Save $6,650 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,160 USD at Brilliant Earth
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG803613404 or 803613404. Listed at 11 retailers, with prices from $1,510 to $8,160 at Brilliant Earth, a $6,650 spread on the same certified stone. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803613404
Dimensions14.52 × 6.84 × 4.46 mm
L/W Ratio2.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.52 mm6.84 mm2.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803613404
Side View
Table 61.0%Crown 35.3°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $8,160 USD|Low: $1,510 USD|High: $8,170 USD|Avg: $3,030 USD|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 1, 2026
Retailer 6$1,510 USD
Retailer 5$1,610 USD
Retailer 8$1,993 USD
Retailer 11$2,062 USD
Retailer 2$2,071 USD
Retailer 4$2,341 USD
Retailer 3$2,641 USD
Retailer 10$4,320 USD
Retailer 9$4,332 USD
Retailer 7$4,554 USD
Brilliant Earth$8,160 USD

37 data points across 11 retailers

11 retailers$1,510 USD to $8,160 USD

A
Cheapest Retailer
-
$1,510 USD
HK$11,800 HKD
A
Retailer 2
-
$1,610 USD
View
A
Retailer 3
-
$1,943 USD
£1,530 GBP
View
A
Retailer 4
-
$2,062 USD
€1,964 EUR
View
A
Retailer 5
-
$2,071 USD
View
A
Retailer 6
-
$2,341 USD
View
A
Retailer 7
-
$2,641 USD
View
B+
Retailer 8
-
$4,320 USD
View
A
Retailer 9
-
$4,332 USD
£3,411 GBP
View
B+
Retailer 10
-
$4,554 USD
View
Most Expensive
B
Brilliant Earth
19883505A · Sep 29
$8,160 USD
View
10 more retailers have this diamond
Prices start from $1,510 USDSave up to $6,650 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.

A
2.50ct Marquise
$1,510 USD