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Cushion|Lab Grown|IGI

3.07ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG657418557

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG657418557

Diamond specifications and retailer prices

From £445 GBP
$596 USD
As of October 29, 2026
Save £3,093 GBP (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,538 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.07ct lab-grown cushion diamond

This 3.07ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG657418557 or 657418557. Listed at 16 retailers as of October 29, 2026, with prices from £445 to £3,538, a £3,093 spread on the same certified stone. Do Amore Diamonds lists it at £3,538. 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

3.07
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657418557
Dimensions8.54 × 8.36 × 5.55 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.54 mm8.36 mm3.07 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657418557
Side View
Table 62.0%Crown 35.3°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 66.4%

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 29
Current: £3,538 GBP|Low: £317 GBP|High: £3,538 GBP|Avg: £1,331 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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 5£445 GBP
Retailer 16£493 GBP
Retailer 13£571 GBP
Retailer 2£623 GBP
Retailer 4£759 GBP
Retailer 15£764 GBP
Retailer 6£772 GBP
Retailer 10£852 GBP
Retailer 9£1,151 GBP
Retailer 3£1,581 GBP
Retailer 14£1,589 GBP
Retailer 8£1,674 GBP
Retailer 7£1,872 GBP
Retailer 12£1,963 GBP
Retailer 11£2,369 GBP
Do Amore Diamonds£3,538 GBP

46 data points across 16 retailers

16 retailers£445 GBP to £3,538 GBP

A
Cheapest Retailer
-
£445 GBP
$596 USD
Final sale: no returns
Retailer 2
-
£493 GBP
$661 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£571 GBP
$765 USD
View
A
Retailer 4
-
£623 GBP
View
A
Retailer 5
-
£759 GBP
$1,017 USD
View
A
Retailer 6
-
£764 GBP
$1,024 USD
View
A
Retailer 7
-
£772 GBP
$1,034 USD
View
A
Retailer 8
-
£852 GBP
View
A
Retailer 9
-
£1,151 GBP
A$2,372 AUD
View
B+
Retailer 10
-
£1,581 GBP
View
B+
Retailer 11
-
£1,589 GBP
$2,129 USD
View
B+
Retailer 12
-
£1,674 GBP
$2,242 USD
View
B+
Retailer 13
-
£1,850 GBP
$2,479 USD
View
Retailer 14
-
£1,963 GBP
$2,630 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
£2,369 GBP
View
Most Expensive
B
Do Amore Diamonds
27-2685BE5D7 · Oct 30
£3,538 GBP
$4,740 USD
View
15 more retailers have this diamond
Prices start from £445 GBPSave up to £3,093 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
3.07ct Cushion
£445 GBP