Marquise|Lab Grown|IGI

3.05ct D VVS1 Marquise Lab Grown Diamond

ID • D/VVS1 • IGI LG839687658

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839687658

Diamond specifications and retailer prices

From £817 GBP
$1,097 USD
As of November 1, 2026
Save £3,542 GBP (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,359 GBP at Brilliant Earth · As of November 2, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839687658 or 839687658. Listed at 21 retailers as of November 1, 2026, with prices from £817 to £4,359, a £3,542 spread on the same certified stone. Brilliant Earth lists it at £4,359. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839687658
Dimensions14.64 × 7.49 × 4.68 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
14.64 mm7.49 mm3.05 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839687658
Side View
Table 59.0%Crown 39.4°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 62.5%

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: £4,330 GBP|Low: £817 GBP|High: £4,330 GBP|Avg: £2,339 GBP
Brilliant Earth
Retailer 2
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Retailer 20
November 3, 2026
Retailer 15£817 GBP
Retailer 4£842 GBP
Retailer 6£1,002 GBP
Retailer 14£1,115 GBP
Retailer 20£1,248 GBP
Retailer 13£1,257 GBP
Retailer 19£1,323 GBP
Retailer 7£1,571 GBP
Retailer 5£1,822 GBP
Retailer 17£1,968 GBP
Retailer 2£2,026 GBP
Retailer 8£2,408 GBP
Retailer 18£2,572 GBP
Retailer 10£2,925 GBP
Retailer 16£2,957 GBP
Retailer 9£3,040 GBP
Retailer 3£3,146 GBP
Retailer 11£3,810 GBP
Retailer 12£3,863 GBP
Brilliant Earth£4,330 GBP

29 data points across 20 retailers

21 retailers£817 GBP to £4,359 GBP

A
Cheapest Retailer
-
£817 GBP
$1,097 USD
A
Retailer 2
-
£842 GBP
$1,130 USD
View
Final sale: no returns
A
Retailer 3
-
£1,002 GBP
$1,345 USD
View
A
Retailer 4
-
£1,115 GBP
View
A
Retailer 5
-
£1,248 GBP
$1,675 USD
View
A
Retailer 6
-
£1,257 GBP
View
Retailer 7
-
£1,323 GBP
€1,691 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£1,571 GBP
$2,108 USD
View
B+
Retailer 9
-
£1,822 GBP
$2,445 USD
View
B+
Retailer 10
-
£1,968 GBP
A$4,064 AUD
View
B+
Retailer 11
-
£2,026 GBP
ZAR 43,925 ZAR
View
B+
Retailer 12
-
£2,408 GBP
View
B+
Retailer 13
-
£2,572 GBP
$3,452 USD
View
B+
Retailer 14
-
£2,925 GBP
SGD 5,305 SGD
View
B
Retailer 15
-
£2,957 GBP
View
B
Retailer 16
-
£3,040 GBP
$4,079 USD
View
B
Retailer 17
-
£3,146 GBP
$4,222 USD
View
Retailer 18
-
£3,810 GBP
$5,113 USD
View
Price last confirmed 21 days ago
Retailer 19
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£3,863 GBP
A$7,975 AUD
View
Price last confirmed 25 days ago
B
Retailer 20
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£4,330 GBP
$5,810 USD
View
Most Expensive
B
Brilliant Earth
21798506A · Nov 2
£4,359 GBP
$5,850 USD
View
20 more retailers have this diamond
Prices start from £817 GBPSave up to £3,542 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
£817 GBP