Marquise|Lab Grown|IGI

2.05ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG790658431

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790658431

Diamond specifications and retailer prices

From $1,665 USD
As of October 30, 2026
Save $5,365 USD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,030 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.05ct lab-grown marquise diamond

This 2.05ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790658431 or 790658431. Listed at 21 retailers as of October 29, 2026, with prices from $1,665 to $7,030, a $5,365 spread on the same certified stone. Brilliant Earth lists it at $7,030. 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

2.05
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790658431
Dimensions12.81 × 6.63 × 4.18 mm
L/W Ratio1.93
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
12.81 mm6.63 mm2.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790658431
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.0%

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: $7,030 USD|Low: $1,598 USD|High: $7,260 USD|Avg: $3,624 USD|-3.2%
Brilliant Earth
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
October 31, 2026
Retailer 15$1,665 USD
Retailer 6$1,863 USD
Retailer 4$1,931 USD
Retailer 16$1,931 USD
Retailer 14$2,100 USD
Retailer 7$2,109 USD
Retailer 5$2,162 USD
Retailer 2$2,737 USD
Retailer 11$2,760 USD
Retailer 13$3,329 USD
Retailer 12$3,366 USD
Retailer 9$4,982 USD
Retailer 3$5,204 USD
Retailer 10$5,545 USD
Retailer 8$5,868 USD
Brilliant Earth$7,030 USD

44 data points across 16 retailers

21 retailers$1,665 USD to $7,030 USD

A
Cheapest Retailer
-
$1,665 USD
A
Retailer 2
-
$1,811 USD
View
A
Retailer 3
-
$1,863 USD
View
Final sale: no returns
Retailer 4
-
$1,931 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$1,931 USD
View
A
Retailer 6
-
$2,100 USD
View
A
Retailer 7
-
$2,109 USD
View
A
Retailer 8
-
$2,162 USD
View
A
Retailer 9
-
$2,737 USD
£2,155 GBP
View
A
Retailer 10
-
$2,760 USD
View
B+
Retailer 11
-
$3,329 USD
View
B+
Retailer 12
-
$3,366 USD
€3,206 EUR
View
Retailer 13
-
$3,371 USD
View
Price last confirmed 52 days ago
B+
Retailer 14
-
$3,620 USD
View
B+
Retailer 15
-
$3,993 USD
£3,144 GBP
View
B+
Retailer 16
-
$4,982 USD
ZAR 80,491 ZAR
View
B
Retailer 17
-
$5,204 USD
View
B+
Retailer 18
-
$5,545 USD
£4,366 GBP
View
B
Retailer 19
-
$5,868 USD
View
B
Retailer 20
-
$6,778 USD
View
Most Expensive
B
Brilliant Earth
22254708A · Oct 29
$7,030 USD
View
20 more retailers have this diamond
Prices start from $1,665 USDSave up to $5,365 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
2.05ct Marquise
$1,665 USD