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Cushion|Lab Grown|IGI

3.00ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG811686932

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG811686932

Diamond specifications and retailer prices

From £796 GBP
$1,066 USD
As of October 30, 2026
Save £4,153 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,948 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG811686932 or 811686932. Listed at 19 retailers as of October 30, 2026, with prices from £796 to £4,948, a £4,153 spread on the same certified stone. Brilliant Earth lists it at £4,948. 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 angle33.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811686932
Dimensions10.55 × 7.22 × 4.50 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.55 mm7.22 mm3.00 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811686932
Side View
Table 57.0%Crown 33.4°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 62.3%

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 30
Current: £4,948 GBP|Low: £742 GBP|High: £4,948 GBP|Avg: £1,750 GBP|+18.0%
Brilliant Earth
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
Retailer 18
October 31, 2026
Retailer 8£769 GBP
Retailer 5£796 GBP
Retailer 4£925 GBP
Retailer 16£1,101 GBP
Retailer 15£1,115 GBP
Retailer 7£1,128 GBP
Retailer 11£1,183 GBP
Retailer 12£1,187 GBP
Retailer 3£1,583 GBP
Retailer 17£1,735 GBP
Retailer 13£1,786 GBP
Retailer 2£1,953 GBP
Retailer 18£2,127 GBP
Retailer 6£2,235 GBP
Retailer 9£2,530 GBP
Retailer 10£2,670 GBP
Retailer 14£2,898 GBP
Brilliant Earth£4,948 GBP

41 data points across 18 retailers

19 retailers£796 GBP to £4,948 GBP

Retailer 1
-
£769 GBP
$1,030 USD
Price last confirmed 14 days ago
A
Retailer 2
-
£796 GBP
$1,066 USD
View
Final sale: no returns
A
Retailer 3
-
£925 GBP
$1,240 USD
View
A
Retailer 4
-
£1,101 GBP
$1,475 USD
View
A
Retailer 5
-
£1,115 GBP
A$2,298 AUD
View
B+
Retailer 6
-
£1,128 GBP
$1,511 USD
View
A
Retailer 7
-
£1,183 GBP
View
A
Retailer 8
-
£1,187 GBP
€1,515 EUR
View
B+
Retailer 9
-
£1,583 GBP
$2,121 USD
View
Retailer 10
-
£1,735 GBP
A$3,577 AUD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
£1,786 GBP
ZAR 38,653 ZAR
View
B+
Retailer 12
-
£1,953 GBP
A$4,026 AUD
View
B
Retailer 13
-
£2,127 GBP
View
B
Retailer 14
-
£2,235 GBP
$2,995 USD
View
B
Retailer 15
-
£2,406 GBP
$3,224 USD
View
B
Retailer 16
-
£2,530 GBP
$3,390 USD
View
B
Retailer 17
-
£2,670 GBP
$3,578 USD
View
B
Retailer 18
-
£2,898 GBP
View
Most Expensive
B
Brilliant Earth
20539173A · Oct 30
£4,948 GBP
$6,630 USD
View
18 more retailers have this diamond
Prices start from £796 GBPSave up to £4,153 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
£796 GBP