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Marquise|Lab Grown|IGI

1.50ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG634473493

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG634473493

Diamond specifications and retailer prices

From $714 USD
As of October 30, 2026
Save $4,956 USD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,670 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG634473493 or 634473493. Listed at 24 retailers as of October 29, 2026, with prices from $714 to $5,670, a $4,956 spread on the same certified stone. Do Amore Diamonds lists it at $5,670. 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 angle36.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634473493
Dimensions12.01 × 5.94 × 3.72 mm
L/W Ratio2.02
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
12.01 mm5.94 mm1.50 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634473493
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.6%

Caratlytics Score

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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: $1,311 USD|Low: $714 USD|High: $3,250 USD|Avg: $1,838 USD|+1.9%
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
October 30, 2026
Retailer 5$714 USD
Retailer 11$920 USD
Retailer 10$1,046 USD
Retailer 4$1,060 USD
Retailer 1$1,311 USD
Retailer 9$1,503 USD
Retailer 3$1,691 USD
Retailer 14$1,892 USD
Retailer 7$1,973 USD
Retailer 12$2,035 USD
Retailer 13$2,310 USD
Retailer 15$2,527 USD
Retailer 6$2,545 USD
Retailer 2$2,915 USD
Retailer 8$3,228 USD

41 data points across 15 retailers

24 retailers$714 USD to $5,670 USD

Retailer 1
-
$639 USD
Price last confirmed 13 days ago
Retailer 2
-
$695 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$714 USD
View
Final sale: no returns
Retailer 4
-
$741 USD
View
Price last confirmed 14 days ago
Retailer 5
-
$741 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$857 USD
View
A
Retailer 7
-
$920 USD
View
A
Retailer 8
-
$1,046 USD
View
A
Retailer 9
-
$1,060 USD
View
A
Retailer 10
-
$1,311 USD
£1,032 GBP
View
A
Retailer 11
-
$1,503 USD
ZAR 24,283 ZAR
View
B+
Retailer 12
-
$1,691 USD
View
B+
Retailer 13
-
$1,892 USD
View
B+
Retailer 14
-
$1,973 USD
View
Retailer 15
-
$2,035 USD
A$3,130 AUD
View
Price last confirmed 9 days ago
Retailer 16
-
$2,299 USD
View
Price last confirmed 13 days ago
B+
Retailer 17
-
$2,310 USD
View
B+
Retailer 18
-
$2,527 USD
View
B+
Retailer 19
-
$2,545 USD
£2,004 GBP
View
B+
Retailer 20
-
$2,574 USD
View
B
Retailer 21
-
$2,915 USD
View
B
Retailer 22
-
$2,929 USD
View
B
Retailer 23
-
$3,228 USD
£2,542 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D7D92F938 · Oct 29
$5,670 USD
View
23 more retailers have this diamond
Prices start from $714 USDSave up to $4,956 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
$714 USD