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Cushion|Lab Grown|IGI

3.00ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG681521451

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG681521451

Diamond specifications and retailer prices

From £621 GBP
$832 USD
As of October 31, 2026
Save £4,305 GBP (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,926 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion 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 LG681521451 or 681521451. Listed at 18 retailers as of October 31, 2026, with prices from £621 to £4,926, a £4,305 spread on the same certified stone. Do Amore Diamonds lists it at £4,926. 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

3.00
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681521451
Dimensions8.10 × 8.10 × 5.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.10 mm8.10 mm3.00 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681521451
Side View
Table 63.0%Crown 34.7°Girdle: MED-VTKPavilion 36.8°Culet: NoneDepth 65.6%

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 31
Current: £4,926 GBP|Low: £621 GBP|High: £4,926 GBP|Avg: £1,942 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
November 1, 2026
Retailer 5£621 GBP
Retailer 14£643 GBP
Retailer 13£743 GBP
Retailer 2£950 GBP
Retailer 7£1,090 GBP
Retailer 9£1,603 GBP
Retailer 11£1,648 GBP
Retailer 10£1,921 GBP
Retailer 6£1,956 GBP
Retailer 3£2,165 GBP
Retailer 4£2,174 GBP
Retailer 12£2,664 GBP
Retailer 8£4,747 GBP
Do Amore Diamonds£4,926 GBP

37 data points across 14 retailers

18 retailers£621 GBP to £4,926 GBP

A
Cheapest Retailer
-
£621 GBP
$832 USD
Final sale: no returns
Retailer 2
-
£643 GBP
$862 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£743 GBP
$995 USD
View
A
Retailer 4
-
£772 GBP
$1,035 USD
View
A
Retailer 5
-
£838 GBP
$1,123 USD
View
A
Retailer 6
-
£908 GBP
$1,217 USD
View
A
Retailer 7
-
£950 GBP
View
A
Retailer 8
-
£1,090 GBP
View
B+
Retailer 9
-
£1,603 GBP
A$3,305 AUD
View
B+
Retailer 10
-
£1,648 GBP
ZAR 35,678 ZAR
View
B+
Retailer 11
-
£1,921 GBP
A$3,960 AUD
View
B
Retailer 12
-
£1,956 GBP
View
B
Retailer 13
-
£2,165 GBP
$2,901 USD
View
B
Retailer 14
-
£2,174 GBP
$2,913 USD
View
B
Retailer 15
-
£2,535 GBP
$3,397 USD
View
B
Retailer 16
-
£2,664 GBP
View
B
Retailer 17
-
£4,747 GBP
$6,360 USD
View
Most Expensive
B
Do Amore Diamonds
27-32F673880 · Oct 31
£4,926 GBP
$6,600 USD
View
17 more retailers have this diamond
Prices start from £621 GBPSave up to £4,305 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
3.00ct Cushion
£621 GBP