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Marquise|Lab Grown|IGI

1.00ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG766647563

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG766647563

Diamond specifications and retailer prices

From €252 EUR
$282 USD
As of October 30, 2026
Save €484 EUR (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €737 EUR at MOH London · As of October 29, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG766647563 or 766647563. Listed at 6 retailers as of October 29, 2026, with prices from €252 to €737, a €484 spread on the same certified stone. MOH London lists it at €737. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766647563
Dimensions10.71 × 5.18 × 3.08 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.71 mm5.18 mm1.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG766647563
Side View
Table 67.0%Crown 37.4°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 59.5%

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: €737 EUR|Low: €252 EUR|High: €742 EUR|Avg: €369 EUR|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 6€252 EUR
Retailer 2€269 EUR
Retailer 4€292 EUR
Retailer 3€298 EUR
Retailer 5€376 EUR
MOH London€737 EUR

39 data points across 6 retailers

6 retailers€252 EUR to €737 EUR

A
Cheapest Retailer
-
€252 EUR
$282 USD
A
Retailer 2
-
€269 EUR
£236 GBP
View
A
Retailer 3
-
€292 EUR
$326 USD
View
A
Retailer 4
-
€298 EUR
£262 GBP
View
B+
Retailer 5
-
€376 EUR
$420 USD
View
Most Expensive
B
MOH London
LG766647563 · Oct 29
€737 EUR
£648 GBP
View
5 more retailers have this diamond
Prices start from €252 EURSave up to €484 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
€252 EUR