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Marquise|Lab Grown|IGI

2.51ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG744514306

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG744514306

Diamond specifications and retailer prices

From $1,652 USD
As of October 30, 2026
Save $9,718 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,370 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.51ct lab-grown marquise diamond

This 2.51ct 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 LG744514306 or 744514306. Listed at 19 retailers as of October 30, 2026, with prices from $1,652 to $11,370, a $9,718 spread on the same certified stone. Do Amore Diamonds lists it at $11,370. 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

2.51
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744514306
Dimensions13.64 × 7.02 × 4.51 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
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
13.64 mm7.02 mm2.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744514306
Side View
Table 60.0%Crown 36.4°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 64.2%

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: $11,370 USD|Low: $1,619 USD|High: $11,600 USD|Avg: $4,480 USD|-2.0%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 19
October 30, 2026
Retailer 16$1,652 USD
Retailer 4$1,798 USD
Retailer 18$2,002 USD
Retailer 2$2,146 USD
Retailer 9$2,206 USD
Retailer 14$2,210 USD
Retailer 17$3,013 USD
Retailer 19$3,304 USD
Retailer 11$3,382 USD
Retailer 15$3,415 USD
Retailer 3$3,965 USD
Retailer 13$4,330 USD
Retailer 7$5,135 USD
Retailer 6$5,305 USD
Retailer 12$6,074 USD
Retailer 8$6,750 USD
Retailer 5$6,750 USD
Retailer 10$9,786 USD
Do Amore Diamonds$11,370 USD

32 data points across 19 retailers

19 retailers$1,652 USD to $11,370 USD

A
Cheapest Retailer
-
$1,652 USD
A
Retailer 2
-
$1,798 USD
View
A
Retailer 3
-
$2,002 USD
View
A
Retailer 4
-
$2,146 USD
£1,690 GBP
View
A
Retailer 5
-
$2,206 USD
View
A
Retailer 6
-
$2,210 USD
View
A
Retailer 7
-
$3,013 USD
View
A
Retailer 8
-
$3,304 USD
View
Retailer 9
-
$3,382 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$3,415 USD
€3,252 EUR
View
B+
Retailer 11
-
$3,965 USD
View
B+
Retailer 12
-
$4,330 USD
View
Retailer 13
-
$5,135 USD
A$7,900 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$5,305 USD
View
B+
Retailer 15
-
$6,074 USD
£4,783 GBP
View
Retailer 16
-
$6,750 USD
A$10,384 AUD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
$6,750 USD
View
Retailer 18
-
$7,050 USD
View
Price last confirmed 38 days ago
Most Expensive
B
Do Amore Diamonds
27-0237B0F68 · Oct 31
$11,370 USD
View
18 more retailers have this diamond
Prices start from $1,652 USDSave up to $9,718 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
2.51ct Marquise
$1,652 USD