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Marquise|Lab Grown|IGI

1.50ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG637453177

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG637453177

Diamond specifications and retailer prices

From $842 USD
As of October 30, 2026
Save $6,508 USD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,350 USD at Do Amore Diamonds · As of October 30, 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 LG637453177 or 637453177. Listed at 25 retailers as of October 30, 2026, with prices from $842 to $7,350, a $6,508 spread on the same certified stone. Do Amore Diamonds lists it at $7,350. 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 angle36°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG637453177
Dimensions11.78 × 5.94 × 3.72 mm
L/W Ratio1.98
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
11.78 mm5.94 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG637453177
Side View
Table 63.0%Crown 36°Girdle: STK-THKPavilion 39.9°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: $2,239 USD|Low: $785 USD|High: $3,420 USD|Avg: $2,039 USD|-0.1%
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 31, 2026
Retailer 12$842 USD
Retailer 14$990 USD
Retailer 7$1,055 USD
Retailer 15$1,150 USD
Retailer 9$1,374 USD
Retailer 11$1,653 USD
Retailer 13$1,950 USD
Retailer 1$2,239 USD
Retailer 8$2,503 USD
Retailer 5$2,528 USD
Retailer 4$2,777 USD
Retailer 2$2,789 USD
Retailer 6$3,228 USD
Retailer 10$3,388 USD
Retailer 3$3,420 USD

41 data points across 15 retailers

25 retailers$842 USD to $7,350 USD

Retailer 1
-
$702 USD
Price last confirmed 12 days ago
Retailer 2
-
$764 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$815 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$815 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$842 USD
View
Final sale: no returns
A
Retailer 6
-
$871 USD
View
A
Retailer 7
-
$990 USD
View
A
Retailer 8
-
$1,055 USD
View
A
Retailer 9
-
$1,114 USD
HK$8,700 HKD
View
A
Retailer 10
-
$1,150 USD
View
A
Retailer 11
-
$1,374 USD
£1,082 GBP
View
A
Retailer 12
-
$1,653 USD
ZAR 26,701 ZAR
View
B+
Retailer 13
-
$1,950 USD
View
B+
Retailer 14
-
$2,239 USD
A$3,444 AUD
View
B+
Retailer 15
-
$2,503 USD
A$3,850 AUD
View
Retailer 16
-
$2,528 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$2,774 USD
View
B
Retailer 18
-
$2,777 USD
View
B
Retailer 19
-
$2,789 USD
£2,196 GBP
View
B
Retailer 20
-
$3,214 USD
View
B
Retailer 21
-
$3,228 USD
SGD 4,362 SGD
View
B+
Retailer 22
-
$3,388 USD
£2,668 GBP
View
B
Retailer 23
-
$3,420 USD
View
B
Retailer 24
-
$6,240 USD
View
Most Expensive
B
Do Amore Diamonds
23-637453177 · Oct 30
$7,350 USD
View
24 more retailers have this diamond
Prices start from $842 USDSave up to $6,508 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
$842 USD