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Cushion|Lab Grown|IGI

3.15ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG795690240

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG795690240

Diamond specifications and retailer prices

From £666 GBP
$892 USD
As of October 29, 2026
Save £4,424 GBP (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,090 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.15ct lab-grown cushion diamond

This 3.15ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG795690240 or 795690240. Listed at 8 retailers as of October 29, 2026, with prices from £666 to £5,090, a £4,424 spread on the same certified stone. Do Amore Diamonds lists it at £5,090. 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
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795690240
Dimensions10.36 × 7.81 × 5.05 mm
L/W Ratio1.33
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.36 mm7.81 mm3.15 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795690240
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 64.7%

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: £5,090 GBP|Low: £419 GBP|High: £6,209 GBP|Avg: £2,534 GBP
Do Amore Diamonds
Retailer 2
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Retailer 21
October 28, 2026
Retailer 17£666 GBP
Retailer 18£834 GBP
Retailer 9£929 GBP
Retailer 12£1,077 GBP
Retailer 16£1,113 GBP
Retailer 2£1,116 GBP
Retailer 19£1,446 GBP
Retailer 15£1,717 GBP
Retailer 6£1,739 GBP
Retailer 10£1,888 GBP
Retailer 7£2,089 GBP
Retailer 11£2,099 GBP
Retailer 8£2,284 GBP
Retailer 14£2,641 GBP
Retailer 20£2,835 GBP
Retailer 13£2,857 GBP
Retailer 5£2,947 GBP
Retailer 21£3,515 GBP
Do Amore Diamonds£5,090 GBP
Retailer 4£5,559 GBP
Retailer 3£6,209 GBP

23 data points across 21 retailers

8 retailers£666 GBP to £5,090 GBP

A
Cheapest Retailer
-
£666 GBP
$892 USD
Final sale: no returns
A
Retailer 2
-
£1,113 GBP
$1,491 USD
View
A
Retailer 3
-
£1,116 GBP
$1,495 USD
View
Retailer 4
-
£1,717 GBP
A$3,540 AUD
View
Price last confirmed 9 days ago
Retailer 5
-
£2,641 GBP
A$5,445 AUD
View
Price last confirmed 119 days ago
B+
Retailer 6
-
£2,857 GBP
View
Retailer 7
-
£3,515 GBP
$4,709 USD
View
Price last confirmed 87 days ago
Most Expensive
B
Do Amore Diamonds
7-1790427 · Oct 30
£5,090 GBP
$6,820 USD
View
7 more retailers have this diamond
Prices start from £666 GBPSave up to £4,424 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
£666 GBP