Marquise|Lab Grown|IGI

3.05ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG845657488

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845657488

Diamond specifications and retailer prices

From £624 GBP
$836 USD
As of October 31, 2026
Save £3,750 GBP (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,373 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG845657488 or 845657488. Listed at 15 retailers as of October 31, 2026, with prices from £624 to £4,373, a £3,750 spread on the same certified stone. Do Amore Diamonds lists it at £4,373. 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°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845657488
Dimensions14.66 × 7.70 × 4.76 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.66 mm7.70 mm3.05 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845657488
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,373 GBP|Low: £624 GBP|High: £4,373 GBP|Avg: £1,531 GBP
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
Retailer 14
Retailer 15
November 1, 2026
Retailer 5£624 GBP
Retailer 10£646 GBP
Retailer 13£780 GBP
Retailer 15£862 GBP
Retailer 4£913 GBP
Retailer 8£955 GBP
Retailer 9£1,096 GBP
Retailer 14£1,593 GBP
Retailer 12£1,612 GBP
Retailer 11£2,007 GBP
Retailer 2£2,175 GBP
Retailer 3£2,186 GBP
Retailer 7£2,387 GBP
Retailer 6£2,549 GBP
Do Amore Diamonds£4,373 GBP

9 data points across 15 retailers

15 retailers£624 GBP to £4,373 GBP

A
Cheapest Retailer
-
£624 GBP
$836 USD
Final sale: no returns
A
Retailer 2
-
£646 GBP
$866 USD
View
A
Retailer 3
-
£780 GBP
$1,045 USD
View
A
Retailer 4
-
£862 GBP
$1,155 USD
View
A
Retailer 5
-
£913 GBP
$1,223 USD
View
A
Retailer 6
-
£955 GBP
View
B+
Retailer 7
-
£1,096 GBP
View
B+
Retailer 8
-
£1,593 GBP
$2,134 USD
View
B+
Retailer 9
-
£1,612 GBP
A$3,323 AUD
View
B
Retailer 10
-
£2,007 GBP
$2,689 USD
View
B
Retailer 11
-
£2,175 GBP
$2,914 USD
View
B
Retailer 12
-
£2,186 GBP
$2,929 USD
View
Retailer 13
-
£2,387 GBP
View
Price last confirmed 14 days ago
B
Retailer 14
-
£2,549 GBP
$3,415 USD
View
Most Expensive
B
Do Amore Diamonds
36-2166066 · Oct 31
£4,373 GBP
$5,860 USD
View
14 more retailers have this diamond
Prices start from £624 GBPSave up to £3,750 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
£624 GBP