Marquise|Lab Grown|IGI

1.51ct K VS1 Marquise Lab Grown Diamond

ID • K/VS1 • IGI LG436073601

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436073601

Diamond specifications and retailer prices

From $1,008 USD
As of November 6, 2026
Save $2,947 USD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,955 USD at MOH London · As of November 5, 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436073601 or 436073601. Listed at 10 retailers as of November 5, 2026, with prices from $1,008 to $3,955, a $2,947 spread on the same certified stone. MOH London lists it at $3,955. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073601
Dimensions11.03 × 6.12 × 3.88 mm
L/W Ratio1.80
Girdle conditionFaceted
Cert comments
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Top View
11.03 mm6.12 mm1.51 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436073601
Side View
Table 57.5%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.4%

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: Nov 6
Current: $3,955 USD|Low: $968 USD|High: $4,018 USD|Avg: $2,168 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$1,008 USD
Retailer 5$1,169 USD
Retailer 3$1,345 USD
Retailer 6$1,866 USD
Retailer 2$2,151 USD
Retailer 7$2,444 USD
MOH London$3,955 USD

24 data points across 7 retailers

10 retailers$1,008 USD to $3,955 USD

A
Cheapest Retailer
-
$1,008 USD
A
Retailer 2
-
$1,097 USD
View
Retailer 3
-
$1,169 USD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,169 USD
View
A
Retailer 5
-
$1,345 USD
View
A
Retailer 6
-
$1,866 USD
View
B+
Retailer 7
-
$2,151 USD
View
B+
Retailer 8
-
$2,192 USD
View
B+
Retailer 9
-
$2,444 USD
View
Most Expensive
B
MOH London
LG436073601 · Nov 5
$3,955 USD
£3,114 GBP
View
9 more retailers have this diamond
Prices start from $1,008 USDSave up to $2,947 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
$1,008 USD