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Marquise|Lab Grown|IGI

1.23ct D VS2 Marquise Lab Grown Diamond

VG • D/VS2 • IGI LG694530230

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG694530230

Diamond specifications and retailer prices

From £289 GBP
As of November 4, 2026
Save £1,159 GBP (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,448 GBP at MOH London · As of November 5, 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 VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG694530230 or 694530230. Listed at 16 retailers as of November 4, 2026, with prices from £289 to £1,448, a £1,159 spread on the same certified stone. MOH London lists it at £1,448. 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
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694530230
Dimensions10.86 × 5.70 × 3.63 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
10.86 mm5.70 mm1.23 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694530230
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 63.7%

Caratlytics Score

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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 4
Current: £1,448 GBP|Low: £289 GBP|High: £2,563 GBP|Avg: £868 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
November 5, 2026
Retailer 10£289 GBP
Retailer 7£298 GBP
Retailer 6£323 GBP
Retailer 11£323 GBP
Retailer 12£358 GBP
Retailer 16£358 GBP
Retailer 2£470 GBP
Retailer 14£550 GBP
Retailer 8£569 GBP
Retailer 9£646 GBP
Retailer 15£1,005 GBP
Retailer 13£1,271 GBP
Retailer 4£1,328 GBP
Retailer 5£1,383 GBP
MOH London£1,448 GBP
Retailer 3£2,563 GBP

30 data points across 16 retailers

16 retailers£289 GBP to £1,448 GBP

A
Cheapest Retailer
-
£289 GBP
A
Retailer 2
-
£298 GBP
View
A
Retailer 3
-
£323 GBP
View
A
Retailer 4
-
£323 GBP
View
Final sale: no returns
A
Retailer 5
-
£358 GBP
View
Retailer 6
-
£358 GBP
View
Price last confirmed 12 days ago
B+
Retailer 7
-
£470 GBP
View
Retailer 8
-
£550 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£569 GBP
View
B
Retailer 10
-
£646 GBP
View
B
Retailer 11
-
£1,005 GBP
View
B
Retailer 12
-
£1,271 GBP
View
B
Retailer 13
-
£1,328 GBP
View
B
Retailer 14
-
£1,383 GBP
View
Most Expensive
B
MOH London
LG694530230 · Nov 5
£1,448 GBP
View
14 more retailers have this diamond
Prices start from £289 GBPSave up to £1,159 GBP

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
£289 GBP