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Cushion|Lab Grown|IGI

3.15ct H VVS2 Cushion Lab Grown Diamond

ID • H/VVS2 • IGI LG741543881

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

Certificate IGI LG741543881

Diamond specifications and retailer prices

From £356 GBP
$477 USD
As of October 25, 2026
Save £2,114 GBP (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,470 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG741543881 or 741543881. Listed at 13 retailers as of October 25, 2026, with prices from £356 to £2,470, a £2,114 spread on the same certified stone. Brilliant Earth lists it at £2,470. 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 angle36.4°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741543881
Dimensions8.63 × 8.57 × 5.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm8.57 mm3.15 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741543881
Side View
Table 61.0%Crown 36.4°Girdle: MED-THKPavilion 39°Culet: NoneDepth 65.0%

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 25
Current: £2,470 GBP|Low: £352 GBP|High: £2,508 GBP|Avg: £1,022 GBP|+1.5%
Brilliant Earth
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 31, 2026
Retailer 4£356 GBP
Retailer 2£459 GBP
Retailer 8£554 GBP
Retailer 7£579 GBP
Retailer 11£619 GBP
Retailer 13£740 GBP
Retailer 3£763 GBP
Retailer 6£812 GBP
Retailer 9£1,145 GBP
Retailer 10£1,354 GBP
Retailer 12£1,381 GBP
Retailer 5£1,526 GBP
Brilliant Earth£2,470 GBP

37 data points across 13 retailers

13 retailers£356 GBP to £2,470 GBP

A
Cheapest Retailer
-
£356 GBP
$477 USD
A
Retailer 2
-
£459 GBP
$615 USD
View
B+
Retailer 3
-
£554 GBP
$742 USD
View
A
Retailer 4
-
£579 GBP
$776 USD
View
A
Retailer 5
-
£619 GBP
€790 EUR
View
A
Retailer 6
-
£740 GBP
A$1,525 AUD
View
A
Retailer 7
-
£763 GBP
ZAR 16,518 ZAR
View
A
Retailer 8
-
£812 GBP
$1,088 USD
View
A
Retailer 9
-
£1,145 GBP
$1,534 USD
View
B+
Retailer 10
-
£1,354 GBP
View
B+
Retailer 11
-
£1,381 GBP
View
Retailer 12
-
£1,526 GBP
$2,045 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
16343231A · Oct 29
£2,470 GBP
$3,310 USD
View
12 more retailers have this diamond
Prices start from £356 GBPSave up to £2,114 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
£356 GBP