Marquise|Lab Grown|IGI

1.51ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG826677935

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826677935

Diamond specifications and retailer prices

From $247 USD
As of October 30, 2026
Save $1,103 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,350 USD at Brilliant Earth · As of October 31, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826677935 or 826677935. Listed at 15 retailers as of October 30, 2026, with prices from $247 to $1,350, a $1,103 spread on the same certified stone. Brilliant Earth lists it at $1,350. 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 angle36.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826677935
Dimensions11.50 × 6.04 × 3.79 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.50 mm6.04 mm1.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826677935
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,350 USD|Low: $237 USD|High: $1,380 USD|Avg: $715 USD|-2.2%
Brilliant Earth
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
Retailer 16
October 31, 2026
Retailer 15$247 USD
Retailer 5$286 USD
Retailer 4$306 USD
Retailer 16$306 USD
Retailer 13$412 USD
Retailer 8$465 USD
Retailer 6$522 USD
Retailer 11$525 USD
Retailer 9$582 USD
Retailer 3$984 USD
Retailer 14$988 USD
Retailer 7$1,036 USD
Retailer 2$1,112 USD
Retailer 12$1,120 USD
Retailer 10$1,233 USD
Brilliant Earth$1,350 USD

45 data points across 16 retailers

15 retailers$247 USD to $1,350 USD

A
Cheapest Retailer
-
$247 USD
A
Retailer 2
-
$286 USD
View
A
Retailer 3
-
$306 USD
View
A
Retailer 4
-
$306 USD
View
B+
Retailer 5
-
$412 USD
View
A
Retailer 6
-
$522 USD
View
A
Retailer 7
-
$525 USD
€500 EUR
View
A
Retailer 8
-
$582 USD
£458 GBP
View
B+
Retailer 9
-
$984 USD
View
B
Retailer 10
-
$988 USD
View
Retailer 11
-
$1,036 USD
View
Price last confirmed 13 days ago
B
Retailer 12
-
$1,112 USD
View
B
Retailer 13
-
$1,120 USD
View
B
Retailer 14
-
$1,233 USD
£971 GBP
View
Most Expensive
B
Brilliant Earth
21061640A · Oct 31
$1,350 USD
View
14 more retailers have this diamond
Prices start from $247 USDSave up to $1,103 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
$247 USD