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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 €286 EUR
$319 USD
As of October 30, 2026
Save €526 EUR (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €812 EUR 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 October 30, 2026, with prices from €286 to €812, a €526 spread on the same certified stone. MOH London lists it at €812. 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: Oct 30
Current: €812 EUR|Low: €286 EUR|High: €821 EUR|Avg: €404 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6€286 EUR
Retailer 2€304 EUR
Retailer 4€316 EUR
Retailer 3€330 EUR
Retailer 5€390 EUR
MOH London€812 EUR

40 data points across 6 retailers

6 retailers€286 EUR to €812 EUR

A
Cheapest Retailer
-
€286 EUR
$319 USD
A
Retailer 2
-
€304 EUR
£268 GBP
View
B+
Retailer 3
-
€316 EUR
$353 USD
View
B+
Retailer 4
-
€330 EUR
£290 GBP
View
B+
Retailer 5
-
€390 EUR
$436 USD
View
Most Expensive
B
MOH London
LG757532266 · Nov 1
€812 EUR
£714 GBP
View
5 more retailers have this diamond
Prices start from €286 EURSave up to €526 EUR

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
€286 EUR