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Marquise|Lab Grown|IGI

1.51ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG624415131

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG624415131

Diamond specifications and retailer prices

From $589 USD
As of October 30, 2026
Save $2,596 USD (82%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,185 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown marquise diamond

This 1.51ct 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 LG624415131 or 624415131. Listed at 26 retailers as of October 29, 2026, with prices from $589 to $3,185, a $2,596 spread on the same certified stone. MOH London lists it at $3,185. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624415131
Dimensions11.69 × 6.00 × 3.80 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
11.69 mm6.00 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624415131
Side View
Table 59.0%Crown 36.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.3%

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: $3,185 USD|Low: $589 USD|High: $3,207 USD|Avg: $1,607 USD|-0.4%
MOH London
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October 31, 2026
Retailer 5$589 USD
Retailer 25$659 USD
Retailer 3$730 USD
Retailer 21$734 USD
Retailer 8$761 USD
Retailer 9$845 USD
Retailer 4$860 USD
Retailer 10$941 USD
Retailer 19$1,032 USD
Retailer 15$1,116 USD
Retailer 23$1,120 USD
Retailer 22$1,141 USD
Retailer 24$1,254 USD
Retailer 13$1,700 USD
Retailer 16$1,727 USD
Retailer 7$1,811 USD
Retailer 6$1,920 USD
Retailer 14$2,330 USD
Retailer 12$2,362 USD
Retailer 26$2,385 USD
Retailer 2$2,410 USD
Retailer 17$2,431 USD
Retailer 11$2,434 USD
Retailer 20$2,520 USD
Retailer 18$2,551 USD
MOH London$3,185 USD

28 data points across 26 retailers

26 retailers$589 USD to $3,185 USD

A
Cheapest Retailer
-
$589 USD
A
Retailer 2
-
$659 USD
View
A
Retailer 3
-
$730 USD
View
A
Retailer 4
-
$734 USD
View
Final sale: no returns
Retailer 5
-
$761 USD
£599 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
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$845 USD
HK$6,600 HKD
View
A
Retailer 7
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$860 USD
View
A
Retailer 8
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$941 USD
View
A
Retailer 9
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$1,032 USD
View
A
Retailer 10
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$1,116 USD
View
A
Retailer 11
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$1,120 USD
€1,067 EUR
View
A
Retailer 12
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$1,141 USD
£898 GBP
View
A
Retailer 13
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$1,254 USD
ZAR 20,264 ZAR
View
B+
Retailer 14
-
$1,700 USD
A$2,616 AUD
View
Retailer 15
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$1,727 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
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$1,811 USD
View
B+
Retailer 17
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$1,920 USD
View
B+
Retailer 18
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$2,330 USD
View
B+
Retailer 19
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$2,362 USD
View
B+
Retailer 20
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$2,385 USD
View
B+
Retailer 21
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$2,410 USD
A$3,707 AUD
View
B+
Retailer 22
-
$2,431 USD
SGD 3,285 SGD
View
B+
Retailer 23
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$2,434 USD
View
B+
Retailer 24
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$2,520 USD
View
B
Retailer 25
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$2,551 USD
View
Most Expensive
B
MOH London
LG624415131 · Oct 29
$3,185 USD
£2,508 GBP
View
25 more retailers have this diamond
Prices start from $589 USDSave up to $2,596 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
1.51ct Marquise
$589 USD