CaratHunter
Plans
Marquise|Lab Grown|IGI

1.50ct G IF Marquise Lab Grown Diamond

EX • G/IF • IGI LG655444949

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG655444949

Diamond specifications and retailer prices

From $418 USD
As of November 4, 2026
Save $1,820 USD (81%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,238 USD at With Clarity · As of November 3, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG655444949 or 655444949. Listed at 25 retailers as of November 3, 2026, with prices from $418 to $2,238, a $1,820 spread on the same certified stone. With Clarity lists it at $2,238. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655444949
Dimensions11.74 × 6.15 × 3.68 mm
L/W Ratio1.91
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
11.74 mm6.15 mm1.50 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655444949
Side View
Table 63.0%Crown 31.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.8%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $1,710 USD|Low: $401 USD|High: $2,560 USD|Avg: $1,193 USD|-10.7%
Retailer 1
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
With Clarity
November 4, 2026
Retailer 5$418 USD
Retailer 4$468 USD
Retailer 13$468 USD
Retailer 8$518 USD
Retailer 16$518 USD
Retailer 22$563 USD
Retailer 23$665 USD
Retailer 19$708 USD
Retailer 9$759 USD
Retailer 2$824 USD
Retailer 12$845 USD
Retailer 17$893 USD
Retailer 11$951 USD
Retailer 3$1,197 USD
Retailer 21$1,207 USD
Retailer 15$1,645 USD
Retailer 6$1,666 USD
Retailer 10$1,699 USD
Retailer 1$1,710 USD
Retailer 14$1,889 USD
Retailer 18$1,903 USD
Retailer 7$1,940 USD
Retailer 20$2,150 USD
With Clarity$2,238 USD

38 data points across 24 retailers

25 retailers$418 USD to $2,238 USD

A
Cheapest Retailer
-
$418 USD
A
Retailer 2
-
$468 USD
View
Final sale: no returns
A
Retailer 3
-
$468 USD
View
Retailer 4
-
$518 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$518 USD
View
A
Retailer 6
-
$563 USD
View
A
Retailer 7
-
$665 USD
View
A
Retailer 8
-
$708 USD
View
A
Retailer 9
-
$759 USD
View
Retailer 10
-
$824 USD
View
Price last confirmed 10 days ago
A
Retailer 11
-
$845 USD
View
A
Retailer 12
-
$893 USD
View
A
Retailer 13
-
$951 USD
View
A
Retailer 14
-
$1,197 USD
View
A
Retailer 15
-
$1,207 USD
View
B+
Retailer 16
-
$1,645 USD
View
B+
Retailer 17
-
$1,666 USD
View
B+
Retailer 18
-
$1,699 USD
View
B+
Retailer 19
-
$1,710 USD
View
B+
Retailer 20
-
$1,807 USD
View
B+
Retailer 21
-
$1,889 USD
View
B+
Retailer 22
-
$1,903 USD
View
B+
Retailer 23
-
$1,940 USD
View
B+
Retailer 24
-
$2,150 USD
View
Most Expensive
B
With Clarity
655444949 · Nov 3
$2,238 USD
View
24 more retailers have this diamond
Prices start from $418 USDSave up to $1,820 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
$418 USD