Marquise|Lab Grown|IGI

1.51ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG831676249

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831676249

Diamond specifications and retailer prices

From $633 USD
As of October 26, 2026
Save $689 USD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,322 USD at With Clarity · As of October 27, 2026
View at With Clarity

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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831676249 or 831676249. Listed at 12 retailers as of October 26, 2026, with prices from $633 to $1,322, a $689 spread on the same certified stone. With Clarity lists it at $1,322. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831676249
Dimensions11.74 × 6.04 × 3.76 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.74 mm6.04 mm1.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831676249
Side View
Table 60.0%Crown 34.3°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $512 USD|Low: $246 USD|High: $1,376 USD|Avg: $862 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 25, 2026
Retailer 8$249 USD
Retailer 4$289 USD
Retailer 7$346 USD
Retailer 1$512 USD
Retailer 11$633 USD
Retailer 2$890 USD
Retailer 5$949 USD
Retailer 10$993 USD
Retailer 9$1,124 USD
Retailer 6$1,245 USD
Retailer 3$1,285 USD
With Clarity$1,322 USD

26 data points across 12 retailers

12 retailers$633 USD to $1,322 USD

Retailer 1
-
$249 USD
Price last confirmed 9 days ago
Retailer 2
-
$289 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$346 USD
£272 GBP
View
Price last confirmed 15 days ago
Retailer 4
-
$512 USD
€488 EUR
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$633 USD
View
B+
Retailer 6
-
$949 USD
View
Retailer 7
-
$980 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$993 USD
View
Price last confirmed 7 days ago
B
Retailer 9
-
$1,124 USD
View
Retailer 10
-
$1,245 USD
£980 GBP
View
Price last confirmed 11 days ago
Retailer 11
-
$1,285 USD
SGD 1,737 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
With Clarity
831676249 · Oct 27
$1,322 USD
View
11 more retailers have this diamond
Prices start from $633 USDSave up to $689 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.

B+
1.51ct Marquise
$633 USD