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Marquise|Lab Grown|IGI

3.98ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG812618585

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812618585

Diamond specifications and retailer prices

From £685 GBP
$918 USD
As of October 30, 2026
Save £5,397 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,083 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.98ct lab-grown marquise diamond

This 3.98ct 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 LG812618585 or 812618585. Listed at 16 retailers as of October 29, 2026, with prices from £685 to £6,083, a £5,397 spread on the same certified stone. Do Amore Diamonds lists it at £6,083. 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

3.98
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812618585
Dimensions16.67 × 8.18 × 5.10 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.67 mm8.18 mm3.98 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812618585
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.3%

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: Oct 30
Current: £6,083 GBP|Low: £925 GBP|High: £7,165 GBP|Avg: £2,537 GBP|-15.1%
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
October 30, 2026
Retailer 8£955 GBP
Retailer 12£1,120 GBP
Retailer 3£1,123 GBP
Retailer 11£1,175 GBP
Retailer 6£1,337 GBP
Retailer 13£1,768 GBP
Retailer 7£1,896 GBP
Retailer 4£2,143 GBP
Retailer 5£2,721 GBP
Retailer 9£2,990 GBP
Retailer 10£3,476 GBP
Retailer 2£3,926 GBP
Do Amore Diamonds£6,083 GBP

31 data points across 13 retailers

16 retailers£685 GBP to £6,083 GBP

A
Cheapest Retailer
-
£685 GBP
$918 USD
A
Retailer 2
-
£746 GBP
$999 USD
View
A
Retailer 3
-
£955 GBP
$1,280 USD
View
A
Retailer 4
-
£1,120 GBP
$1,501 USD
View
A
Retailer 5
-
£1,123 GBP
$1,504 USD
View
A
Retailer 6
-
£1,175 GBP
$1,575 USD
View
A
Retailer 7
-
£1,337 GBP
€1,706 EUR
View
B+
Retailer 8
-
£1,644 GBP
$2,203 USD
View
B+
Retailer 9
-
£1,768 GBP
$2,369 USD
View
B+
Retailer 10
-
£1,896 GBP
A$3,908 AUD
View
B+
Retailer 11
-
£2,143 GBP
$2,872 USD
View
Retailer 12
-
£2,721 GBP
A$5,610 AUD
View
Price last confirmed 22 days ago
B
Retailer 13
-
£2,990 GBP
View
B
Retailer 14
-
£3,476 GBP
$4,657 USD
View
B
Retailer 15
-
£3,926 GBP
$5,260 USD
View
Most Expensive
B
Do Amore Diamonds
27-98554D37C · Oct 29
£6,083 GBP
$8,150 USD
View
15 more retailers have this diamond
Prices start from £685 GBPSave up to £5,397 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
3.98ct Marquise
£685 GBP