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Marquise|Lab Grown|IGI

3.05ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG818696686

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818696686

Diamond specifications and retailer prices

From £803 GBP
$1,077 USD
As of November 1, 2026
Save £3,557 GBP (82%) vs most expensive(unlock to see where)
20 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 LG818696686 or 818696686. Listed at 20 retailers as of November 1, 2026, with prices from £803 to £4,359, a £3,557 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818696686
Dimensions15.21 × 7.37 × 4.50 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.21 mm7.37 mm3.05 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818696686
Side View
Table 59.0%Crown 37.7°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 61.1%

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: £826 GBP|Low: £803 GBP|High: £3,190 GBP|Avg: £1,917 GBP|-2.7%
Retailer 1
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
Retailer 17
November 3, 2026
Retailer 3£803 GBP
Retailer 1£826 GBP
Retailer 13£987 GBP
Retailer 4£1,113 GBP
Retailer 16£1,224 GBP
Retailer 12£1,308 GBP
Retailer 9£1,318 GBP
Retailer 15£1,566 GBP
Retailer 14£1,844 GBP
Retailer 6£1,942 GBP
Retailer 10£1,989 GBP
Retailer 2£2,362 GBP
Retailer 8£2,560 GBP
Retailer 17£2,869 GBP
Retailer 7£2,945 GBP
Retailer 5£2,997 GBP
Retailer 11£3,087 GBP

18 data points across 17 retailers

20 retailers£803 GBP to £4,359 GBP

A
Cheapest Retailer
-
£803 GBP
$1,077 USD
A
Retailer 2
-
£826 GBP
$1,109 USD
View
Final sale: no returns
A
Retailer 3
-
£987 GBP
$1,325 USD
View
A
Retailer 4
-
£1,113 GBP
$1,494 USD
View
A
Retailer 5
-
£1,224 GBP
$1,642 USD
View
B+
Retailer 6
-
£1,308 GBP
View
Retailer 7
-
£1,318 GBP
€1,684 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£1,566 GBP
$2,102 USD
View
B+
Retailer 9
-
£1,844 GBP
$2,475 USD
View
B+
Retailer 10
-
£1,942 GBP
A$4,009 AUD
View
B+
Retailer 11
-
£1,989 GBP
ZAR 43,122 ZAR
View
B+
Retailer 12
-
£2,362 GBP
View
B
Retailer 13
-
£2,560 GBP
$3,436 USD
View
B
Retailer 14
-
£2,869 GBP
SGD 5,203 SGD
View
B
Retailer 15
-
£2,945 GBP
View
B
Retailer 16
-
£2,997 GBP
$4,022 USD
View
B
Retailer 17
-
£3,087 GBP
$4,142 USD
View
Retailer 18
-
£3,506 GBP
$4,705 USD
View
Price last confirmed 78 days ago
Retailer 19
-
£3,874 GBP
A$7,997 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
Brilliant Earth
20755902A · Nov 2
£4,359 GBP
$5,850 USD
View
19 more retailers have this diamond
Prices start from £803 GBPSave up to £3,557 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
£803 GBP