Marquise|Lab Grown|IGI

1.51ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG830643333

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830643333

Diamond specifications and retailer prices

From $233 USD
As of October 23, 2026
Save $997 USD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,230 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830643333 or 830643333. Listed at 19 retailers as of October 23, 2026, with prices from $233 to $1,230, a $997 spread on the same certified stone. Brilliant Earth lists it at $1,230. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830643333
Dimensions11.67 × 6.19 × 3.66 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.67 mm6.19 mm1.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830643333
Side View
Table 61.0%Crown 30.8°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 59.1%

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 23
Current: $1,230 USD|Low: $222 USD|High: $1,230 USD|Avg: $659 USD
Brilliant Earth
Retailer 2
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 27, 2026
Retailer 17$233 USD
Retailer 7$260 USD
Retailer 15$270 USD
Retailer 18$289 USD
Retailer 9$320 USD
Retailer 2$339 USD
Retailer 13$463 USD
Retailer 4$491 USD
Retailer 5$512 USD
Retailer 6$541 USD
Retailer 12$542 USD
Retailer 16$930 USD
Retailer 3$933 USD
Retailer 8$936 USD
Retailer 10$937 USD
Retailer 14$1,161 USD
Retailer 19$1,176 USD
Retailer 11$1,177 USD
Brilliant Earth$1,230 USD

33 data points across 19 retailers

19 retailers$233 USD to $1,230 USD

A
Cheapest Retailer
-
$233 USD
A
Retailer 2
-
$260 USD
View
Final sale: no returns
A
Retailer 3
-
$270 USD
View
A
Retailer 4
-
$289 USD
View
A
Retailer 5
-
$320 USD
HK$2,500 HKD
View
A
Retailer 6
-
$339 USD
£267 GBP
View
A
Retailer 7
-
$463 USD
€441 EUR
View
A
Retailer 8
-
$491 USD
View
A
Retailer 9
-
$512 USD
View
A
Retailer 10
-
$541 USD
View
A
Retailer 11
-
$542 USD
£427 GBP
View
B+
Retailer 12
-
$930 USD
View
B
Retailer 13
-
$933 USD
View
B+
Retailer 14
-
$936 USD
SGD 1,265 SGD
View
B+
Retailer 15
-
$937 USD
A$1,441 AUD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$1,161 USD
£914 GBP
View
B
Retailer 17
-
$1,176 USD
View
B
Retailer 18
-
$1,177 USD
View
Most Expensive
B
Brilliant Earth
21274583A · Oct 29
$1,230 USD
View
18 more retailers have this diamond
Prices start from $233 USDSave up to $997 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
$233 USD