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Cushion|Lab Grown|IGI

3.15ct H VVS2 Cushion Lab Grown Diamond

ID • H/VVS2 • IGI LG566303225

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG566303225

Diamond specifications and retailer prices

From £816 GBP
$1,093 USD
As of October 30, 2026
Save £2,573 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,722 GBP at Rare Carat
View at Rare Carat

About this 3.15ct lab-grown cushion diamond

This 3.15ct 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 LG566303225 or 566303225. Listed at 11 retailers as of October 29, 2026, with a 315% 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

3.15
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566303225
Dimensions9.41 × 7.72 × 5.10 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.41 mm7.72 mm3.15 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566303225
Side View
Table 60.0%Crown 33°Girdle: STK-VTKPavilion 32.4°Culet: NoneDepth 66.1%

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 30
Current: £4,722 GBP|Low: £563 GBP|High: £4,722 GBP|Avg: £1,916 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 9£586 GBP
Retailer 11£816 GBP
Retailer 8£955 GBP
Retailer 5£955 GBP
Retailer 2£1,324 GBP
Retailer 4£1,361 GBP
Retailer 10£1,820 GBP
Retailer 3£2,092 GBP
Retailer 6£2,472 GBP
Retailer 7£3,388 GBP
Rare Carat£4,722 GBP

23 data points across 11 retailers

11 retailers£816 GBP to £3,388 GBP

Retailer 1
-
£586 GBP
$785 USD
Price last confirmed 15 days ago
A
Retailer 2
-
£816 GBP
$1,093 USD
View
A
Retailer 3
-
£955 GBP
$1,279 USD
View
A
Retailer 4
-
£955 GBP
$1,280 USD
View
B+
Retailer 5
-
£1,324 GBP
A$2,729 AUD
View
B+
Retailer 6
-
£1,361 GBP
ZAR 29,457 ZAR
View
B
Retailer 7
-
£1,820 GBP
View
B
Retailer 8
-
£2,092 GBP
HK$21,900 HKD
View
B
Retailer 9
-
£2,472 GBP
View
B
Retailer 10
-
£3,388 GBP
$4,540 USD
View
Most Expensive
Rare Carat
TA81-449-449_l_566303225
£4,722 GBP
$6,327 USD
View
10 more retailers have this diamond
Prices start from £816 GBPSave up to £2,573 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
3.15ct Cushion
£816 GBP