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Marquise|Lab Grown|IGI

1.23ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG791605860

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791605860

Diamond specifications and retailer prices

From £201 GBP
$270 USD
As of November 1, 2026
Save £1,528 GBP (88%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £1,729 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 LG791605860 or 791605860. Listed at 26 retailers as of November 1, 2026, with prices from £201 to £1,729, a £1,528 spread on the same certified stone. Do Amore Diamonds lists it at £1,729. 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°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791605860
Dimensions11.08 × 5.51 × 3.55 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.08 mm5.51 mm1.23 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791605860
Side View
Table 59.0%Crown 34°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 64.4%

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 1
Current: £473 GBP|Low: £173 GBP|High: £1,001 GBP|Avg: £460 GBP|+2.3%
Retailer 1
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£173 GBP
Retailer 11£209 GBP
Retailer 9£224 GBP
Retailer 8£303 GBP
Retailer 4£323 GBP
Retailer 3£384 GBP
Retailer 1£473 GBP
Retailer 6£601 GBP
Retailer 7£622 GBP
Retailer 2£735 GBP
Retailer 5£990 GBP

42 data points across 11 retailers

26 retailers£201 GBP to £1,729 GBP

Retailer 1
-
£173 GBP
$232 USD
Price last confirmed 32 days ago
Retailer 2
-
£180 GBP
$242 USD
View
Price last confirmed 26 days ago
A
Retailer 3
-
£201 GBP
$270 USD
View
Final sale: no returns
Retailer 4
-
£209 GBP
$281 USD
View
Price last confirmed 35 days ago
Retailer 5
-
£224 GBP
$300 USD
View
Price last confirmed 25 days ago
Retailer 6
-
£224 GBP
$300 USD
View
Price last confirmed 23 days ago
Retailer 7
-
£224 GBP
$300 USD
View
Price last confirmed 31 days ago
A
Retailer 8
-
£303 GBP
$406 USD
View
A
Retailer 9
-
£308 GBP
$413 USD
View
A
Retailer 10
-
£323 GBP
View
A
Retailer 11
-
£384 GBP
$515 USD
View
B+
Retailer 12
-
£473 GBP
View
Retailer 13
-
£524 GBP
$704 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
£601 GBP
A$1,241 AUD
View
B+
Retailer 15
-
£622 GBP
$835 USD
View
Retailer 16
-
£671 GBP
A$1,386 AUD
View
Price last confirmed 140 days ago
B
Retailer 17
-
£735 GBP
$987 USD
View
B
Retailer 18
-
£794 GBP
$1,065 USD
View
Retailer 19
-
£794 GBP
$1,065 USD
View
Price last confirmed 33 days ago
Retailer 20
-
£794 GBP
$1,065 USD
View
Price last confirmed 26 days ago
Retailer 21
-
£794 GBP
$1,065 USD
View
Price last confirmed 23 days ago
B
Retailer 22
-
£872 GBP
$1,170 USD
View
B
Retailer 23
-
£926 GBP
$1,242 USD
View
B
Retailer 24
-
£990 GBP
View
B
Retailer 25
-
£1,264 GBP
$1,696 USD
View
Most Expensive
B
Do Amore Diamonds
27-067AEA07A · Nov 2
£1,729 GBP
$2,320 USD
View
25 more retailers have this diamond
Prices start from £201 GBPSave up to £1,528 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
£201 GBP