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Marquise|Lab Grown|IGI

1.50ct F IF Marquise Lab Grown Diamond

EX • F/IF • IGI LG631459759

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG631459759

Diamond specifications and retailer prices

From $665 USD
As of November 6, 2026
Save $2,740 USD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,405 USD at With Clarity · As of November 6, 2026
View at With Clarity

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG631459759 or 631459759. Listed at 23 retailers as of November 6, 2026, with prices from $665 to $3,405, a $2,740 spread on the same certified stone. With Clarity lists it at $3,405. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631459759
Dimensions12.04 × 5.91 × 3.64 mm
L/W Ratio2.04
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
12.04 mm5.91 mm1.50 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631459759
Side View
Table 57.0%Crown 36.4°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.6%

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: Nov 6
Current: $1,114 USD|Low: $665 USD|High: $3,337 USD|Avg: $1,703 USD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 6, 2026
Retailer 3$665 USD
Retailer 8$865 USD
Retailer 11$988 USD
Retailer 4$1,022 USD
Retailer 1$1,114 USD
Retailer 7$1,140 USD
Retailer 9$1,266 USD
Retailer 5$1,719 USD
Retailer 12$1,828 USD
Retailer 2$2,234 USD
Retailer 10$2,240 USD
Retailer 6$3,188 USD
With Clarity$3,337 USD

45 data points across 13 retailers

23 retailers$665 USD to $3,405 USD

Retailer 1
-
$594 USD
Price last confirmed 21 days ago
Retailer 2
-
$665 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$665 USD
View
Final sale: no returns
Retailer 4
-
$737 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$737 USD
View
Price last confirmed 35 days ago
A
Retailer 6
-
$865 USD
View
A
Retailer 7
-
$988 USD
View
A
Retailer 8
-
$1,022 USD
View
A
Retailer 9
-
$1,094 USD
View
A
Retailer 10
-
$1,114 USD
View
A
Retailer 11
-
$1,140 USD
View
A
Retailer 12
-
$1,266 USD
View
B+
Retailer 13
-
$1,650 USD
View
B+
Retailer 14
-
$1,719 USD
View
B+
Retailer 15
-
$1,828 USD
View
Retailer 16
-
$1,937 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
$2,148 USD
View
B+
Retailer 18
-
$2,234 USD
View
B+
Retailer 19
-
$2,240 USD
View
B
Retailer 20
-
$2,351 USD
View
B
Retailer 21
-
$2,383 USD
View
B
Retailer 22
-
$3,188 USD
View
Most Expensive
B
With Clarity
631459759 · Nov 6
$3,405 USD
View
22 more retailers have this diamond
Prices start from $665 USDSave up to $2,740 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
1.50ct Marquise
$665 USD