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Marquise|Lab Grown|IGI

1.23ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG823612928

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823612928

Diamond specifications and retailer prices

From £181 GBP
$243 USD
As of November 2, 2026
Save £1,555 GBP (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,736 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823612928 or 823612928. Listed at 19 retailers as of November 2, 2026, with prices from £181 to £1,736, a £1,555 spread on the same certified stone. Do Amore Diamonds lists it at £1,736. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823612928
Dimensions11.44 × 5.78 × 3.36 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm5.78 mm1.23 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823612928
Side View
Table 67.0%Crown 34.5°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 58.1%

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 2
Current: £1,736 GBP|Low: £140 GBP|High: £1,736 GBP|Avg: £570 GBP
Do Amore Diamonds
Retailer 2
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November 3, 2026
Retailer 3£181 GBP
Retailer 9£203 GBP
Retailer 14£210 GBP
Retailer 5£224 GBP
Retailer 18£224 GBP
Retailer 8£308 GBP
Retailer 12£324 GBP
Retailer 6£377 GBP
Retailer 13£427 GBP
Retailer 2£475 GBP
Retailer 17£603 GBP
Retailer 4£724 GBP
Retailer 16£753 GBP
Retailer 15£796 GBP
Retailer 10£921 GBP
Retailer 7£990 GBP
Retailer 11£993 GBP
Do Amore Diamonds£1,736 GBP

31 data points across 18 retailers

19 retailers£181 GBP to £1,736 GBP

A
Cheapest Retailer
-
£181 GBP
$243 USD
A
Retailer 2
-
£203 GBP
$272 USD
View
Final sale: no returns
A
Retailer 3
-
£210 GBP
$282 USD
View
A
Retailer 4
-
£224 GBP
$301 USD
View
Retailer 5
-
£224 GBP
$301 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£308 GBP
$413 USD
View
A
Retailer 7
-
£324 GBP
View
A
Retailer 8
-
£377 GBP
$506 USD
View
B+
Retailer 9
-
£427 GBP
ZAR 9,258 ZAR
View
B+
Retailer 10
-
£475 GBP
View
B+
Retailer 11
-
£603 GBP
A$1,244 AUD
View
Retailer 12
-
£622 GBP
$835 USD
View
Price last confirmed 54 days ago
B
Retailer 13
-
£724 GBP
$971 USD
View
B
Retailer 14
-
£753 GBP
$1,010 USD
View
B
Retailer 15
-
£796 GBP
$1,068 USD
View
B
Retailer 16
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£921 GBP
$1,237 USD
View
B
Retailer 17
-
£990 GBP
$1,329 USD
View
B
Retailer 18
-
£993 GBP
View
Most Expensive
B
Do Amore Diamonds
27-FC3F2B407 · Nov 2
£1,736 GBP
$2,330 USD
View
18 more retailers have this diamond
Prices start from £181 GBPSave up to £1,555 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
£181 GBP