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Marquise|Lab Grown|IGI

1.00ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG757532266

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG757532266

Diamond specifications and retailer prices

From $319 USD
As of November 1, 2026
Save $588 USD (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $907 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct 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 LG757532266 or 757532266. Listed at 6 retailers as of November 1, 2026, with prices from $319 to $907, a $588 spread on the same certified stone. MOH London lists it at $907. 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

1.00
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757532266
Dimensions10.21 × 5.29 × 3.17 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.21 mm5.29 mm1.00 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757532266
Side View
Table 63.0%Crown 32.6°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.9%

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: $907 USD|Low: $319 USD|High: $917 USD|Avg: $451 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6$319 USD
Retailer 2$337 USD
Retailer 4$353 USD
Retailer 3$368 USD
Retailer 5$436 USD
MOH London$907 USD

41 data points across 6 retailers

6 retailers$319 USD to $907 USD

A
Cheapest Retailer
-
$319 USD
A
Retailer 2
-
$337 USD
£265 GBP
View
B+
Retailer 3
-
$353 USD
View
B+
Retailer 4
-
$368 USD
£290 GBP
View
B+
Retailer 5
-
$436 USD
View
Most Expensive
B
MOH London
LG757532266 · Nov 1
$907 USD
£714 GBP
View
5 more retailers have this diamond
Prices start from $319 USDSave up to $588 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
1.00ct Marquise
$319 USD