Marquise|Lab Grown|IGI

1.00ct D SI2 Marquise Lab Grown Diamond

EX • D/SI2 • IGI LG790613765

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790613765

Diamond specifications and retailer prices

From €246 EUR
$275 USD
As of October 30, 2026
Save €1,009 EUR (80%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,255 EUR at MOH London · As of October 26, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG790613765 or 790613765. Listed at 6 retailers as of October 26, 2026, with prices from €246 to €1,255, a €1,009 spread on the same certified stone. MOH London lists it at €1,255. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790613765
Dimensions10.79 × 5.07 × 3.14 mm
L/W Ratio2.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.79 mm5.07 mm1.00 ctD / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790613765
Side View
Table 56.0%Crown 32°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 61.9%

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: €1,255 EUR|Low: €243 EUR|High: €1,269 EUR|Avg: €440 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6€246 EUR
Retailer 2€254 EUR
Retailer 4€282 EUR
Retailer 3€285 EUR
Retailer 5€437 EUR
MOH London€1,255 EUR

39 data points across 6 retailers

6 retailers€246 EUR to €1,255 EUR

A
Cheapest Retailer
-
€246 EUR
$275 USD
A
Retailer 2
-
€254 EUR
£224 GBP
View
A
Retailer 3
-
€282 EUR
$315 USD
View
A
Retailer 4
-
€285 EUR
£251 GBP
View
B+
Retailer 5
-
€437 EUR
$488 USD
View
Most Expensive
B
MOH London
LG790613765 · Oct 26
€1,255 EUR
£1,104 GBP
View
5 more retailers have this diamond
Prices start from €246 EURSave up to €1,009 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
€246 EUR