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Marquise|Lab Grown|IGI

1.38ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG781649316

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG781649316

Diamond specifications and retailer prices

From $412 USD
As of October 30, 2026
Save $847 USD (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,274 USD at MOH London · As of October 21, 2026
View at MOH London

About this 1.38ct lab-grown marquise diamond

This 1.38ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781649316 or 781649316. Listed at 6 retailers as of October 30, 2026, with a 206% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781649316
Dimensions11.76 × 5.74 × 3.63 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.76 mm5.74 mm1.38 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781649316
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.2%

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: Oct 30
Current: $1,274 USD|Low: $383 USD|High: $1,283 USD|Avg: $799 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4$412 USD
Retailer 3$475 USD
Retailer 6$585 USD
Retailer 5$922 USD
Retailer 2$1,259 USD
MOH London$1,274 USD

39 data points across 6 retailers

6 retailers$412 USD to $1,259 USD

B+
Cheapest Retailer
-
$412 USD
A
Retailer 2
-
$475 USD
View
Retailer 3
-
$585 USD
£460 GBP
View
Price last confirmed 9 days ago
B
Retailer 4
-
$922 USD
A$1,419 AUD
View
B
Retailer 5
-
$1,259 USD
View
Most Expensive
MOH London
LG781649316 · Oct 21
$1,274 USD
£1,003 GBP
View
Price last confirmed 10 days ago
5 more retailers have this diamond
Prices start from $412 USDSave up to $847 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
1.38ct Marquise
$412 USD