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Cushion|Lab Grown|IGI

3.42ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG789633766

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG789633766

Diamond specifications and retailer prices

From £1,607 GBP
$2,153 USD
As of October 31, 2026
Save £4,583 GBP (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £9,508 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG789633766 or 789633766. Listed at 15 retailers as of October 30, 2026, with a 285% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789633766
Dimensions10.58 × 7.91 × 5.32 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.58 mm7.91 mm3.42 ctD / VVS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789633766
Side View
Table 60.0%Crown 35.3°Girdle: MED-THKPavilion 36.7°Culet: NoneDepth 67.3%

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 31
Current: £9,508 GBP|Low: £1,603 GBP|High: £9,508 GBP|Avg: £3,294 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
October 30, 2026
Retailer 12£1,603 GBP
Retailer 3£1,681 GBP
Retailer 4£1,692 GBP
Retailer 9£1,728 GBP
Retailer 13£2,249 GBP
Retailer 2£2,270 GBP
Retailer 6£2,434 GBP
Retailer 5£3,355 GBP
Retailer 7£4,108 GBP
Retailer 11£4,319 GBP
Retailer 10£4,767 GBP
Retailer 8£5,080 GBP
Do Amore Diamonds£9,508 GBP

43 data points across 13 retailers

15 retailers£1,607 GBP to £6,190 GBP

Retailer 1
-
£1,603 GBP
$2,148 USD
Price last confirmed 18 days ago
A
Retailer 2
-
£1,607 GBP
$2,153 USD
View
B+
Retailer 3
-
£1,681 GBP
$2,252 USD
View
B+
Retailer 4
-
£1,692 GBP
$2,267 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,728 GBP
$2,315 USD
View
B+
Retailer 6
-
£2,249 GBP
$3,014 USD
View
B+
Retailer 7
-
£2,270 GBP
View
B+
Retailer 8
-
£2,434 GBP
View
B
Retailer 9
-
£3,355 GBP
View
B
Retailer 10
-
£4,108 GBP
ZAR 88,932 ZAR
View
B
Retailer 11
-
£4,319 GBP
$5,787 USD
View
B
Retailer 12
-
£4,767 GBP
$6,388 USD
View
B
Retailer 13
-
£5,080 GBP
View
B
Retailer 14
-
£6,190 GBP
$8,294 USD
View
Most Expensive
Do Amore Diamonds
27-D8089EEFC · Oct 30
£9,508 GBP
$12,740 USD
View
Price under review
14 more retailers have this diamond
Prices start from £1,607 GBPSave up to £4,583 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
£1,607 GBP