Marquise|Lab Grown|IGI

3.05ct D VS1 Marquise Lab Grown Diamond

VG • D/VS1 • IGI LG838644064

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838644064

Diamond specifications and retailer prices

From £731 GBP
$980 USD
As of November 1, 2026
Save £2,334 GBP (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,066 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 very-good cut grade and certified by IGI LG838644064 or 838644064. Listed at 16 retailers as of October 31, 2026, with prices from £731 to £3,066, a £2,334 spread on the same certified stone. Taylor and Hart lists it at £3,066. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.05
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838644064
Dimensions15.07 × 7.46 × 4.71 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.07 mm7.46 mm3.05 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838644064
Side View
Table 60.0%Crown 34.7°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 63.1%

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: £731 GBP|Low: £731 GBP|High: £3,066 GBP|Avg: £1,525 GBP
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
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Retailer 15
Taylor and Hart
November 1, 2026
Retailer 1£731 GBP
Retailer 8£752 GBP
Retailer 13£780 GBP
Retailer 5£886 GBP
Retailer 4£1,040 GBP
Retailer 6£1,099 GBP
Retailer 3£1,141 GBP
Retailer 11£1,153 GBP
Retailer 12£1,241 GBP
Retailer 15£1,614 GBP
Retailer 7£2,228 GBP
Retailer 14£2,377 GBP
Retailer 2£2,440 GBP
Retailer 10£2,537 GBP
Retailer 9£2,920 GBP
Taylor and Hart£3,066 GBP

9 data points across 16 retailers

16 retailers£731 GBP to £3,066 GBP

A
Cheapest Retailer
-
£731 GBP
$980 USD
A
Retailer 2
-
£752 GBP
$1,008 USD
View
Final sale: no returns
A
Retailer 3
-
£780 GBP
$1,045 USD
View
A
Retailer 4
-
£886 GBP
$1,187 USD
View
B+
Retailer 5
-
£1,040 GBP
$1,394 USD
View
B+
Retailer 6
-
£1,099 GBP
$1,472 USD
View
B+
Retailer 7
-
£1,141 GBP
$1,529 USD
View
B+
Retailer 8
-
£1,153 GBP
View
B+
Retailer 9
-
£1,241 GBP
View
B
Retailer 10
-
£1,614 GBP
$2,163 USD
View
B
Retailer 11
-
£2,228 GBP
$2,985 USD
View
B
Retailer 12
-
£2,377 GBP
View
B
Retailer 13
-
£2,440 GBP
$3,270 USD
View
B
Retailer 14
-
£2,537 GBP
$3,399 USD
View
B
Retailer 15
-
£2,920 GBP
View
Most Expensive
B
Taylor and Hart
WB2KGI4 · Oct 31
£3,066 GBP
$4,108 USD
View
15 more retailers have this diamond
Prices start from £731 GBPSave up to £2,334 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
£731 GBP