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Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

VG • D/VS1 • IGI LG753506828

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG753506828

Diamond specifications and retailer prices

From €374 EUR
$420 USD
As of November 1, 2026
Save €1,503 EUR (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,877 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG753506828 or 753506828. Listed at 12 retailers as of November 1, 2026, with prices from €374 to €1,877, a €1,503 spread on the same certified stone. MOH London lists it at €1,877. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG753506828
Dimensions10.74 × 5.61 × 3.56 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.74 mm5.61 mm1.23 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG753506828
Side View
Table 61.0%Crown 37.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,877 EUR|Low: €328 EUR|High: €3,317 EUR|Avg: €1,199 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 10€374 EUR
Retailer 11€417 EUR
Retailer 4€682 EUR
Retailer 5€727 EUR
Retailer 3€730 EUR
Retailer 2€838 EUR
Retailer 6€1,298 EUR
Retailer 8€1,678 EUR
Retailer 9€1,774 EUR
MOH London€1,877 EUR
Retailer 7€3,317 EUR

28 data points across 11 retailers

12 retailers€374 EUR to €1,877 EUR

A
Cheapest Retailer
-
€374 EUR
$420 USD
A
Retailer 2
-
€417 EUR
$468 USD
View
Final sale: no returns
B+
Retailer 3
-
€682 EUR
£603 GBP
View
Retailer 4
-
€687 EUR
$770 USD
View
Price last confirmed 26 days ago
B
Retailer 5
-
€727 EUR
$815 USD
View
B
Retailer 6
-
€730 EUR
$819 USD
View
B
Retailer 7
-
€838 EUR
£740 GBP
View
B
Retailer 8
-
€1,298 EUR
$1,456 USD
View
B
Retailer 9
-
€1,678 EUR
$1,882 USD
View
B
Retailer 10
-
€1,774 EUR
$1,990 USD
View
Most Expensive
B
MOH London
LG753506828 · Nov 1
€1,877 EUR
£1,658 GBP
View
10 more retailers have this diamond
Prices start from €374 EURSave up to €1,503 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
1.23ct Marquise
€374 EUR