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Marquise|Lab Grown|IGI

1.00ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG821694324

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821694324

Diamond specifications and retailer prices

From €263 EUR
$295 USD
As of November 1, 2026
Save €491 EUR (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €754 EUR at MOH London · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821694324 or 821694324. Listed at 6 retailers as of November 1, 2026, with prices from €263 to €754, a €491 spread on the same certified stone. MOH London lists it at €754. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821694324
Dimensions10.30 × 5.30 × 3.29 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.30 mm5.30 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821694324
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.1%

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: €754 EUR|Low: €263 EUR|High: €758 EUR|Avg: €415 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5€263 EUR
Retailer 2€276 EUR
Retailer 4€299 EUR
Retailer 3€306 EUR
Retailer 6€568 EUR
MOH London€754 EUR

26 data points across 6 retailers

6 retailers€263 EUR to €754 EUR

A
Cheapest Retailer
-
€263 EUR
$295 USD
A
Retailer 2
-
€276 EUR
£244 GBP
View
A
Retailer 3
-
€299 EUR
$335 USD
View
A
Retailer 4
-
€306 EUR
£270 GBP
View
B
Retailer 5
-
€568 EUR
$637 USD
View
Most Expensive
B
MOH London
LG821694324 · Nov 2
€754 EUR
£666 GBP
View
5 more retailers have this diamond
Prices start from €263 EURSave up to €491 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
€263 EUR