Marquise|Lab Grown|IGI

1.51ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG638431000

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG638431000

Diamond specifications and retailer prices

From $370 USD
As of October 31, 2026
Save $1,275 USD (78%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $1,645 USD at MOH London · As of October 26, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG638431000 or 638431000. Listed at 28 retailers as of October 26, 2026, with prices from $370 to $1,645, a $1,275 spread on the same certified stone. MOH London lists it at $1,645. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638431000
Dimensions11.82 × 5.98 × 3.80 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
11.82 mm5.98 mm1.51 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638431000
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $1,645 USD|Low: $330 USD|High: $1,883 USD|Avg: $956 USD|-12.6%
MOH London
Retailer 2
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Retailer 21
October 31, 2026
Retailer 9$330 USD
Retailer 2$370 USD
Retailer 7$410 USD
Retailer 5$474 USD
Retailer 18$520 USD
Retailer 3$578 USD
Retailer 8$650 USD
Retailer 21$666 USD
Retailer 15$667 USD
Retailer 17$704 USD
Retailer 13$733 USD
Retailer 10$930 USD
Retailer 16$955 USD
Retailer 20$1,202 USD
Retailer 6$1,361 USD
Retailer 14$1,374 USD
Retailer 12$1,401 USD
Retailer 19$1,425 USD
Retailer 11$1,548 USD
Retailer 4$1,610 USD
MOH London$1,645 USD

34 data points across 21 retailers

28 retailers$370 USD to $1,645 USD

Retailer 1
-
$330 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$370 USD
View
Final sale: no returns
Retailer 3
-
$384 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$410 USD
View
Price last confirmed 21 days ago
Retailer 5
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$410 USD
View
Price last confirmed 23 days ago
Retailer 6
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$430 USD
View
Price last confirmed 33 days ago
Retailer 7
-
$470 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
$474 USD
HK$3,700 HKD
View
A
Retailer 9
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$520 USD
View
A
Retailer 10
-
$578 USD
View
A
Retailer 11
-
$650 USD
View
A
Retailer 12
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$666 USD
View
A
Retailer 13
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$667 USD
€635 EUR
View
A
Retailer 14
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$704 USD
ZAR 11,375 ZAR
View
A
Retailer 15
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$733 USD
£577 GBP
View
Retailer 16
-
$930 USD
View
Price last confirmed 7 days ago
B+
Retailer 17
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$955 USD
A$1,469 AUD
View
B
Retailer 18
-
$1,202 USD
View
Retailer 19
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$1,317 USD
View
Price last confirmed 21 days ago
B
Retailer 20
-
$1,317 USD
View
B
Retailer 21
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$1,361 USD
View
B
Retailer 22
-
$1,374 USD
View
Retailer 23
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$1,401 USD
A$2,156 AUD
View
Price last confirmed 24 days ago
B
Retailer 24
-
$1,425 USD
View
Retailer 25
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$1,531 USD
View
Price last confirmed 31 days ago
B
Retailer 26
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$1,548 USD
View
B
Retailer 27
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$1,610 USD
View
Most Expensive
B
MOH London
LG638431000 · Oct 26
$1,645 USD
£1,295 GBP
View
27 more retailers have this diamond
Prices start from $370 USDSave up to $1,275 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
$370 USD