Marquise|Lab Grown|IGI

1.23ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG821613860

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821613860

Diamond specifications and retailer prices

From £406 GBP
A$838 AUD
As of November 3, 2026
18 retailers carry this diamond
Most expensive: £1,353 GBP at Queensmith · As of October 22, 2026
View at Queensmith

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 LG821613860 or 821613860. Listed at 18 retailers as of November 3, 2026. 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 angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821613860
Dimensions11.34 × 5.58 × 3.47 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.34 mm5.58 mm1.23 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821613860
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £1,353 GBP|Low: £164 GBP|High: £1,408 GBP|Avg: £600 GBP
Queensmith
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 16£164 GBP
Retailer 18£246 GBP
Retailer 5£277 GBP
Retailer 10£292 GBP
Retailer 15£300 GBP
Retailer 11£362 GBP
Retailer 2£406 GBP
Retailer 13£493 GBP
Retailer 6£520 GBP
Retailer 3£641 GBP
Retailer 9£657 GBP
Retailer 4£693 GBP
Retailer 17£777 GBP
Retailer 7£789 GBP
Retailer 8£797 GBP
Retailer 12£807 GBP
Queensmith£1,353 GBP
Retailer 14£1,408 GBP

26 data points across 18 retailers

18 retailers

Retailer 1
-
£137 GBP
$184 USD
Price last confirmed 32 days ago
Retailer 2
-
£166 GBP
$223 USD
View
Price last confirmed 35 days ago
Retailer 3
-
£246 GBP
$330 USD
View
Price last confirmed 13 days ago
Retailer 4
-
£277 GBP
HK$2,900 HKD
View
Price last confirmed 34 days ago
Retailer 5
-
£300 GBP
$403 USD
View
Price last confirmed 10 days ago
Retailer 6
-
£362 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
£406 GBP
A$838 AUD
View
Retailer 8
-
£493 GBP
A$1,018 AUD
View
Price last confirmed 16 days ago
Retailer 9
-
£520 GBP
$698 USD
View
Price last confirmed 31 days ago
Retailer 10
-
£615 GBP
$825 USD
View
Price last confirmed 34 days ago
Retailer 11
-
£630 GBP
$845 USD
View
Price last confirmed 33 days ago
Retailer 12
-
£641 GBP
$860 USD
View
Price last confirmed 12 days ago
Retailer 13
-
£693 GBP
A$1,430 AUD
View
Price last confirmed 33 days ago
Retailer 14
-
£777 GBP
$1,043 USD
View
Price last confirmed 13 days ago
Retailer 15
-
£789 GBP
SGD 1,430 SGD
View
Price last confirmed 32 days ago
Retailer 16
-
£797 GBP
$1,070 USD
View
Price last confirmed 32 days ago
Retailer 17
-
£807 GBP
View
Price last confirmed 13 days ago
Most Expensive
Queensmith
LG821613860 · Oct 22
£1,353 GBP
View
Price last confirmed 12 days ago
17 more retailers have this diamond
Prices start from £406 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
£406 GBP