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Cushion|Lab Grown|IGI

3.06ct H VVS2 Cushion Lab Grown Diamond

ID • H/VVS2 • IGI LG780604372

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780604372

Diamond specifications and retailer prices

From £294 GBP
$394 USD
As of October 29, 2026
Save £2,272 GBP (89%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,566 GBP at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780604372 or 780604372. Listed at 6 retailers as of October 29, 2026, with prices from £294 to £2,566, a £2,272 spread on the same certified stone. Helzberg Diamonds lists it at £2,566. 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

3.06
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780604372
Dimensions10.40 × 7.49 × 4.97 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.40 mm7.49 mm3.06 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780604372
Side View
Table 62.0%Crown 34.5°Girdle: MED-THKPavilion 40°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
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: £2,566 GBP|Low: £294 GBP|High: £2,566 GBP|Avg: £1,024 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4£294 GBP
Retailer 7£452 GBP
Retailer 11£523 GBP
Retailer 6£553 GBP
Retailer 2£610 GBP
Retailer 8£710 GBP
Retailer 9£769 GBP
Retailer 10£1,121 GBP
Retailer 3£1,721 GBP
Retailer 5£1,873 GBP
Helzberg Diamonds£2,566 GBP

39 data points across 11 retailers

6 retailers£294 GBP to £2,566 GBP

A
Cheapest Retailer
-
£294 GBP
$394 USD
Final sale: no returns
A
Retailer 2
-
£610 GBP
View
Retailer 3
-
£710 GBP
ZAR 15,374 ZAR
View
Price last confirmed 49 days ago
Retailer 4
-
£1,721 GBP
$2,307 USD
View
Price last confirmed 110 days ago
B
Retailer 5
-
£1,873 GBP
$2,510 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZNOGMGKJNI · Oct 31
£2,566 GBP
$3,438 USD
View
5 more retailers have this diamond
Prices start from £294 GBPSave up to £2,272 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
3.06ct Cushion
£294 GBP