Cushion|Lab Grown|IGI

3.42ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG768632204

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG768632204

Diamond specifications and retailer prices

From £608 GBP
$814 USD
As of October 29, 2026
Save £5,077 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £5,685 GBP at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.42ct lab-grown cushion diamond

This 3.42ct 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 LG768632204 or 768632204. Listed at 13 retailers as of October 29, 2026, with prices from £608 to £5,685, a £5,077 spread on the same certified stone. Frank Darling lists it at £5,685. 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

3.42
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632204
Dimensions8.82 × 8.63 × 5.62 mm
L/W Ratio1.02
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
8.82 mm8.63 mm3.42 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632204
Side View
Table 63.0%Crown 36.7°Girdle: STK-VTKPavilion 37°Culet: NoneDepth 65.1%

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 29
Current: £5,685 GBP|Low: £608 GBP|High: £5,685 GBP|Avg: £2,297 GBP
Frank Darling
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
October 31, 2026
Retailer 3£608 GBP
Retailer 12£683 GBP
Retailer 16£759 GBP
Retailer 14£958 GBP
Retailer 9£992 GBP
Retailer 8£1,264 GBP
Retailer 5£1,441 GBP
Retailer 2£1,467 GBP
Retailer 7£1,970 GBP
Retailer 10£2,566 GBP
Retailer 6£2,676 GBP
Retailer 13£3,250 GBP
Retailer 11£3,560 GBP
Retailer 4£4,508 GBP
Retailer 15£4,702 GBP
Frank Darling£5,685 GBP

28 data points across 16 retailers

13 retailers£608 GBP to £5,685 GBP

A
Cheapest Retailer
-
£608 GBP
$814 USD
Final sale: no returns
A
Retailer 2
-
£683 GBP
$915 USD
View
A
Retailer 3
-
£759 GBP
$1,017 USD
View
A
Retailer 4
-
£958 GBP
$1,284 USD
View
A
Retailer 5
-
£992 GBP
€1,266 EUR
View
A
Retailer 6
-
£1,441 GBP
$1,931 USD
View
A
Retailer 7
-
£1,467 GBP
A$3,025 AUD
View
B+
Retailer 8
-
£2,566 GBP
View
Retailer 9
-
£3,250 GBP
A$6,699 AUD
View
Price last confirmed 22 days ago
Retailer 10
-
£3,560 GBP
$4,770 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
£4,508 GBP
$6,040 USD
View
B
Retailer 12
-
£4,702 GBP
$6,300 USD
View
Most Expensive
B
Frank Darling
613-38MEL · Oct 31
£5,685 GBP
$7,617 USD
View
12 more retailers have this diamond
Prices start from £608 GBPSave up to £5,077 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
3.42ct Cushion
£608 GBP