Cushion|Lab Grown|IGI

3.38ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG700512415

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG700512415

Diamond specifications and retailer prices

From £830 GBP
$1,112 USD
As of October 29, 2026
Save £5,074 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £5,903 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.38ct lab-grown cushion diamond

This 3.38ct 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 LG700512415 or 700512415. Listed at 20 retailers as of October 29, 2026, with prices from £830 to £5,903, a £5,074 spread on the same certified stone. Brilliant Earth lists it at £5,903. 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

3.38
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700512415
Dimensions8.05 × 8.05 × 5.43 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
8.05 mm8.05 mm3.38 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700512415
Side View
Table 58.0%Crown 34.6°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 67.5%

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: £5,903 GBP|Low: £830 GBP|High: £6,389 GBP|Avg: £2,351 GBP|-7.6%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 20
October 30, 2026
Retailer 17£830 GBP
Retailer 16£989 GBP
Retailer 9£1,051 GBP
Retailer 7£1,068 GBP
Retailer 3£1,299 GBP
Retailer 2£1,327 GBP
Retailer 13£1,389 GBP
Retailer 4£1,867 GBP
Retailer 18£1,940 GBP
Retailer 14£1,997 GBP
Retailer 10£2,220 GBP
Retailer 11£2,377 GBP
Retailer 5£2,780 GBP
Retailer 15£2,932 GBP
Retailer 12£2,997 GBP
Retailer 8£3,043 GBP
Retailer 6£3,279 GBP
Retailer 20£3,319 GBP
Retailer 19£3,526 GBP
Brilliant Earth£5,903 GBP

31 data points across 20 retailers

20 retailers£830 GBP to £5,903 GBP

A
Cheapest Retailer
-
£830 GBP
$1,112 USD
Final sale: no returns
A
Retailer 2
-
£989 GBP
$1,325 USD
View
A
Retailer 3
-
£1,051 GBP
HK$11,000 HKD
View
A
Retailer 4
-
£1,068 GBP
$1,431 USD
View
A
Retailer 5
-
£1,299 GBP
$1,740 USD
View
A
Retailer 6
-
£1,327 GBP
View
A
Retailer 7
-
£1,389 GBP
€1,772 EUR
View
B+
Retailer 8
-
£1,867 GBP
$2,502 USD
View
Retailer 9
-
£1,940 GBP
A$3,999 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£1,997 GBP
ZAR 43,218 ZAR
View
B+
Retailer 11
-
£2,220 GBP
$2,974 USD
View
B+
Retailer 12
-
£2,377 GBP
View
B
Retailer 13
-
£2,780 GBP
$3,725 USD
View
B+
Retailer 14
-
£2,932 GBP
View
B
Retailer 15
-
£2,997 GBP
$4,016 USD
View
B
Retailer 16
-
£3,043 GBP
SGD 5,509 SGD
View
B
Retailer 17
-
£3,279 GBP
$4,393 USD
View
Retailer 18
-
£3,319 GBP
A$6,842 AUD
View
Price last confirmed 22 days ago
Retailer 19
-
£3,526 GBP
$4,725 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
14915388A · Oct 30
£5,903 GBP
$7,910 USD
View
19 more retailers have this diamond
Prices start from £830 GBPSave up to £5,074 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
3.38ct Cushion
£830 GBP