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Marquise|Lab Grown|IGI

3.54ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG840623963

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840623963

Diamond specifications and retailer prices

From £416 GBP
$558 USD
As of October 30, 2026
Save £3,278 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,694 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.54ct lab-grown marquise diamond

This 3.54ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840623963 or 840623963. Listed at 16 retailers as of October 30, 2026, with prices from £416 to £3,694, a £3,278 spread on the same certified stone. Do Amore Diamonds lists it at £3,694. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.54
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840623963
Dimensions15.76 × 7.98 × 4.97 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.76 mm7.98 mm3.54 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840623963
Side View
Table 61.0%Crown 33.5°Girdle: Slightly ThickPavilion 41.1°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £3,694 GBP|Low: £416 GBP|High: £4,993 GBP|Avg: £1,716 GBP
Do Amore Diamonds
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
October 31, 2026
Retailer 11£416 GBP
Retailer 14£516 GBP
Retailer 15£616 GBP
Retailer 12£748 GBP
Retailer 3£793 GBP
Retailer 6£796 GBP
Retailer 2£893 GBP
Retailer 13£895 GBP
Retailer 9£1,332 GBP
Retailer 5£1,499 GBP
Retailer 4£1,662 GBP
Retailer 8£1,949 GBP
Retailer 16£2,487 GBP
Retailer 7£3,441 GBP
Retailer 10£3,493 GBP
Do Amore Diamonds£3,694 GBP

5 data points across 16 retailers

16 retailers£416 GBP to £3,694 GBP

A
Cheapest Retailer
-
£416 GBP
$558 USD
A
Retailer 2
-
£516 GBP
$692 USD
View
A
Retailer 3
-
£616 GBP
$825 USD
View
A
Retailer 4
-
£748 GBP
View
A
Retailer 5
-
£793 GBP
$1,063 USD
View
A
Retailer 6
-
£796 GBP
$1,066 USD
View
A
Retailer 7
-
£893 GBP
View
A
Retailer 8
-
£895 GBP
$1,199 USD
View
B+
Retailer 9
-
£1,332 GBP
$1,785 USD
View
B+
Retailer 10
-
£1,499 GBP
$2,008 USD
View
B+
Retailer 11
-
£1,662 GBP
$2,227 USD
View
B
Retailer 12
-
£1,949 GBP
SGD 3,529 SGD
View
B
Retailer 13
-
£2,487 GBP
View
B
Retailer 14
-
£3,441 GBP
$4,610 USD
View
B
Retailer 15
-
£3,493 GBP
$4,680 USD
View
Most Expensive
B
Do Amore Diamonds
27-7B10BB3EA · Oct 31
£3,694 GBP
$4,950 USD
View
15 more retailers have this diamond
Prices start from £416 GBPSave up to £3,278 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
3.54ct Marquise
£416 GBP