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Marquise|Lab Grown|IGI

1.50ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG754595656

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754595656

Diamond specifications and retailer prices

From $679 USD
As of October 29, 2026
Save $2,830 USD (81%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $3,509 USD at With Clarity · As of October 31, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754595656 or 754595656. Listed at 30 retailers as of October 29, 2026, with prices from $679 to $3,509, a $2,830 spread on the same certified stone. With Clarity lists it at $3,509. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754595656
Dimensions11.64 × 5.96 × 3.79 mm
L/W Ratio1.95
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
11.64 mm5.96 mm1.50 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754595656
Side View
Table 57.0%Crown 36.7°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 63.6%

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: Oct 29
Current: $2,410 USD|Low: $606 USD|High: $3,307 USD|Avg: $1,643 USD|+1.2%
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
October 31, 2026
Retailer 3$606 USD
Retailer 13$679 USD
Retailer 16$830 USD
Retailer 5$870 USD
Retailer 9$961 USD
Retailer 4$1,062 USD
Retailer 12$1,155 USD
Retailer 11$1,177 USD
Retailer 15$1,292 USD
Retailer 10$1,751 USD
Retailer 2$1,866 USD
Retailer 7$2,195 USD
Retailer 17$2,395 USD
Retailer 6$2,399 USD
Retailer 1$2,410 USD
Retailer 8$2,500 USD
Retailer 14$3,282 USD

38 data points across 17 retailers

30 retailers$679 USD to $3,509 USD

Retailer 1
-
$606 USD
Price last confirmed 22 days ago
Retailer 2
-
$606 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$679 USD
View
Final sale: no returns
Retailer 4
-
$679 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$742 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$752 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$752 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
$830 USD
View
A
Retailer 9
-
$870 USD
HK$6,800 HKD
View
A
Retailer 10
-
$961 USD
View
A
Retailer 11
-
$1,062 USD
View
A
Retailer 12
-
$1,110 USD
View
A
Retailer 13
-
$1,155 USD
€1,100 EUR
View
A
Retailer 14
-
$1,177 USD
£927 GBP
View
A
Retailer 15
-
$1,292 USD
ZAR 20,874 ZAR
View
B+
Retailer 16
-
$1,751 USD
A$2,694 AUD
View
B+
Retailer 17
-
$1,782 USD
View
B+
Retailer 18
-
$1,866 USD
View
B+
Retailer 19
-
$1,977 USD
View
Retailer 20
-
$1,977 USD
View
Price last confirmed 30 days ago
Retailer 21
-
$1,977 USD
View
Price last confirmed 20 days ago
B+
Retailer 22
-
$2,195 USD
£1,728 GBP
View
B+
Retailer 23
-
$2,395 USD
View
B+
Retailer 24
-
$2,399 USD
View
B+
Retailer 25
-
$2,410 USD
A$3,707 AUD
View
B+
Retailer 26
-
$2,431 USD
View
B+
Retailer 27
-
$2,490 USD
View
B+
Retailer 28
-
$2,500 USD
SGD 3,379 SGD
View
B
Retailer 29
-
$3,282 USD
£2,584 GBP
View
Most Expensive
B
With Clarity
754595656 · Oct 31
$3,509 USD
View
29 more retailers have this diamond
Prices start from $679 USDSave up to $2,830 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
$679 USD