Marquise|Lab Grown|IGI

3.05ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG847631704

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847631704

Diamond specifications and retailer prices

From £509 GBP
$682 USD
As of October 30, 2026
Save £2,424 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,933 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847631704 or 847631704. Listed at 19 retailers as of October 30, 2026, with prices from £509 to £2,933, a £2,424 spread on the same certified stone. Brilliant Earth lists it at £2,933. 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

3.05
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847631704
Dimensions15.09 × 7.72 × 4.59 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.09 mm7.72 mm3.05 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847631704
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 59.5%

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: Oct 30
Current: £2,933 GBP|Low: £509 GBP|High: £3,150 GBP|Avg: £1,525 GBP|-6.9%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
November 1, 2026
Retailer 4£509 GBP
Retailer 3£569 GBP
Retailer 14£724 GBP
Retailer 2£790 GBP
Retailer 19£845 GBP
Retailer 12£937 GBP
Retailer 9£987 GBP
Retailer 16£1,105 GBP
Retailer 17£1,333 GBP
Retailer 8£1,444 GBP
Retailer 15£1,508 GBP
Retailer 18£1,909 GBP
Retailer 7£2,036 GBP
Retailer 5£2,038 GBP
Retailer 13£2,086 GBP
Retailer 6£2,100 GBP
Retailer 11£2,276 GBP
Retailer 10£2,446 GBP
Brilliant Earth£2,933 GBP

19 data points across 19 retailers

19 retailers£509 GBP to £2,933 GBP

A
Cheapest Retailer
-
£509 GBP
$682 USD
A
Retailer 2
-
£569 GBP
$763 USD
View
Final sale: no returns
A
Retailer 3
-
£724 GBP
$970 USD
View
A
Retailer 4
-
£790 GBP
View
A
Retailer 5
-
£845 GBP
$1,132 USD
View
A
Retailer 6
-
£937 GBP
View
A
Retailer 7
-
£987 GBP
€1,259 EUR
View
B+
Retailer 8
-
£1,105 GBP
$1,480 USD
View
B+
Retailer 9
-
£1,333 GBP
A$2,748 AUD
View
B+
Retailer 10
-
£1,444 GBP
ZAR 31,265 ZAR
View
B+
Retailer 11
-
£1,508 GBP
$2,020 USD
View
B+
Retailer 12
-
£1,909 GBP
$2,558 USD
View
B+
Retailer 13
-
£2,036 GBP
$2,727 USD
View
B+
Retailer 14
-
£2,038 GBP
$2,731 USD
View
B
Retailer 15
-
£2,086 GBP
A$4,301 AUD
View
B
Retailer 16
-
£2,100 GBP
$2,814 USD
View
B
Retailer 17
-
£2,276 GBP
$3,050 USD
View
B
Retailer 18
-
£2,446 GBP
View
Most Expensive
B
Brilliant Earth
22190427A · Oct 31
£2,933 GBP
$3,930 USD
View
18 more retailers have this diamond
Prices start from £509 GBPSave up to £2,424 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
3.05ct Marquise
£509 GBP