Marquise|Lab Grown|IGI

1.50ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG845658505

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845658505

Diamond specifications and retailer prices

From $673 USD
As of October 30, 2026
Save $2,585 USD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,258 USD at MOH London · As of October 29, 2026
View at MOH London

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 LG845658505 or 845658505. Listed at 15 retailers as of October 29, 2026, with prices from $673 to $3,258, a $2,585 spread on the same certified stone. MOH London lists it at $3,258. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845658505
Dimensions11.87 × 5.95 × 3.61 mm
L/W Ratio1.99
Girdle conditionFaceted
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
11.87 mm5.95 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845658505
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.7%

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: $3,258 USD|Low: $673 USD|High: $3,338 USD|Avg: $1,632 USD|-2.4%
MOH London
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
October 30, 2026
Retailer 10$673 USD
Retailer 11$773 USD
Retailer 4$819 USD
Retailer 15$875 USD
Retailer 9$1,000 USD
Retailer 13$1,135 USD
Retailer 2$1,168 USD
Retailer 8$1,283 USD
Retailer 6$1,778 USD
Retailer 14$1,856 USD
Retailer 12$2,355 USD
Retailer 7$2,383 USD
Retailer 3$2,430 USD
Retailer 5$3,110 USD
MOH London$3,258 USD

19 data points across 15 retailers

15 retailers$673 USD to $3,258 USD

A
Cheapest Retailer
-
$673 USD
Final sale: no returns
A
Retailer 2
-
$773 USD
£608 GBP
View
A
Retailer 3
-
$819 USD
HK$6,400 HKD
View
A
Retailer 4
-
$875 USD
View
A
Retailer 5
-
$1,000 USD
View
A
Retailer 6
-
$1,135 USD
€1,081 EUR
View
A
Retailer 7
-
$1,168 USD
£919 GBP
View
A
Retailer 8
-
$1,283 USD
ZAR 20,720 ZAR
View
Retailer 9
-
$1,778 USD
A$2,736 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$1,856 USD
View
B+
Retailer 11
-
$2,355 USD
SGD 3,183 SGD
View
Retailer 12
-
$2,383 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$2,430 USD
View
Retailer 14
-
$3,110 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG845658505 · Oct 29
$3,258 USD
£2,565 GBP
View
14 more retailers have this diamond
Prices start from $673 USDSave up to $2,585 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
$673 USD