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Cushion|Lab Grown|IGI

3.07ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG665410515

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665410515

Diamond specifications and retailer prices

From £686 GBP
$919 USD
As of October 29, 2026
Save £6,158 GBP (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £6,844 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.07ct lab-grown cushion diamond

This 3.07ct lab-grown cushion 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 LG665410515 or 665410515. Listed at 19 retailers as of October 29, 2026, with prices from £686 to £6,844, a £6,158 spread on the same certified stone. Brilliant Earth lists it at £6,844. 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

3.07
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665410515
Dimensions7.80 × 7.80 × 5.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.80 mm7.80 mm3.07 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665410515
Side View
Table 61.0%Crown 35.6°Girdle: STK-THKPavilion 34.7°Culet: NoneDepth 66.0%

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 29
Current: £6,844 GBP|Low: £614 GBP|High: £6,844 GBP|Avg: £1,869 GBP
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 19
October 31, 2026
Retailer 16£686 GBP
Retailer 14£702 GBP
Retailer 19£774 GBP
Retailer 3£819 GBP
Retailer 8£861 GBP
Retailer 4£954 GBP
Retailer 13£1,022 GBP
Retailer 2£1,041 GBP
Retailer 15£1,438 GBP
Retailer 18£1,478 GBP
Retailer 5£1,522 GBP
Retailer 10£1,613 GBP
Retailer 6£2,166 GBP
Retailer 11£2,194 GBP
Retailer 9£2,240 GBP
Retailer 7£2,382 GBP
Retailer 17£2,514 GBP
Retailer 12£2,882 GBP
Brilliant Earth£6,844 GBP

29 data points across 19 retailers

19 retailers£686 GBP to £6,844 GBP

A
Cheapest Retailer
-
£686 GBP
$919 USD
Final sale: no returns
A
Retailer 2
-
£702 GBP
$940 USD
View
A
Retailer 3
-
£774 GBP
HK$8,100 HKD
View
Retailer 4
-
£819 GBP
View
Price last confirmed 16 days ago
A
Retailer 5
-
£861 GBP
$1,154 USD
View
A
Retailer 6
-
£954 GBP
$1,278 USD
View
A
Retailer 7
-
£1,022 GBP
View
A
Retailer 8
-
£1,041 GBP
€1,328 EUR
View
A
Retailer 9
-
£1,438 GBP
A$2,964 AUD
View
A
Retailer 10
-
£1,478 GBP
ZAR 31,996 ZAR
View
B+
Retailer 11
-
£1,522 GBP
$2,039 USD
View
Retailer 12
-
£1,613 GBP
$2,161 USD
View
Price last confirmed 27 days ago
B+
Retailer 13
-
£2,166 GBP
$2,902 USD
View
B+
Retailer 14
-
£2,194 GBP
$2,940 USD
View
B+
Retailer 15
-
£2,240 GBP
SGD 4,055 SGD
View
B+
Retailer 16
-
£2,382 GBP
$3,192 USD
View
B+
Retailer 17
-
£2,514 GBP
View
B+
Retailer 18
-
£2,882 GBP
A$5,940 AUD
View
Most Expensive
B
Brilliant Earth
12598558A · Oct 31
£6,844 GBP
$9,170 USD
View
18 more retailers have this diamond
Prices start from £686 GBPSave up to £6,158 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
3.07ct Cushion
£686 GBP