Marquise|Lab Grown|IGI

1.01ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG843683956

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843683956

Diamond specifications and retailer prices

From $248 USD
As of November 1, 2026
Save $604 USD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $852 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG843683956 or 843683956. Listed at 6 retailers as of November 1, 2026, with prices from $248 to $852, a $604 spread on the same certified stone. MOH London lists it at $852. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843683956
Dimensions10.16 × 5.33 × 3.22 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.16 mm5.33 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843683956
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.4%

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 1
Current: $852 USD|Low: $248 USD|High: $857 USD|Avg: $446 USD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6$248 USD
Retailer 2$315 USD
Retailer 4$321 USD
Retailer 3$346 USD
Retailer 5$641 USD
MOH London$852 USD

16 data points across 6 retailers

6 retailers$248 USD to $852 USD

B+
Cheapest Retailer
-
$248 USD
A
Retailer 2
-
$315 USD
£248 GBP
View
A
Retailer 3
-
$321 USD
View
A
Retailer 4
-
$346 USD
£273 GBP
View
B
Retailer 5
-
$641 USD
View
Most Expensive
B
MOH London
LG843683956 · Nov 1
$852 USD
£671 GBP
View
5 more retailers have this diamond
Prices start from $248 USDSave up to $604 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
1.01ct Marquise
$248 USD