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Marquise|Lab Grown|IGI

1.23ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG771612357

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG771612357

Diamond specifications and retailer prices

From £168 GBP
$226 USD
As of November 2, 2026
Save £1,449 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,617 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 LG771612357 or 771612357. Listed at 10 retailers as of November 2, 2026, with prices from £168 to £1,617, a £1,449 spread on the same certified stone. Do Amore Diamonds lists it at £1,617. 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 angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771612357
Dimensions11.45 × 5.58 × 3.46 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.45 mm5.58 mm1.23 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771612357
Side View
Table 61.0%Crown 34.8°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 62.0%

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 2
Current: £1,617 GBP|Low: £301 GBP|High: £1,617 GBP|Avg: £726 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4£301 GBP
Retailer 9£354 GBP
Retailer 11£380 GBP
Retailer 2£559 GBP
Retailer 7£560 GBP
Retailer 6£604 GBP
Retailer 8£672 GBP
Retailer 10£693 GBP
Retailer 5£922 GBP
Retailer 3£1,032 GBP
Do Amore Diamonds£1,617 GBP

15 data points across 11 retailers

10 retailers£168 GBP to £1,617 GBP

A
Cheapest Retailer
-
£168 GBP
$226 USD
A
Retailer 2
-
£301 GBP
View
A
Retailer 3
-
£354 GBP
$475 USD
View
B+
Retailer 4
-
£559 GBP
$750 USD
View
B+
Retailer 5
-
£560 GBP
A$1,156 AUD
View
B+
Retailer 6
-
£604 GBP
$810 USD
View
B+
Retailer 7
-
£672 GBP
$902 USD
View
B
Retailer 8
-
£693 GBP
$930 USD
View
B
Retailer 9
-
£922 GBP
View
Most Expensive
B
Do Amore Diamonds
27-65B277C72 · Nov 2
£1,617 GBP
$2,170 USD
View
9 more retailers have this diamond
Prices start from £168 GBPSave up to £1,449 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
£168 GBP