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Cushion|Lab Grown|IGI

3.57ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG786628412

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG786628412

Diamond specifications and retailer prices

From £798 GBP
$1,063 USD
As of October 29, 2026
Save £2,080 GBP (72%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £6,481 GBP at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 3.57ct lab-grown cushion diamond

This 3.57ct 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 LG786628412 or 786628412. Listed at 20 retailers as of October 29, 2026, with a 261% 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

3.57
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786628412
Dimensions10.79 × 7.87 × 10.79 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.79 mm7.87 mm3.57 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786628412
Side View
Table 63.0%Crown 33.5°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 67.5%

Caratlytics Score

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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: £1,275 GBP|Low: £798 GBP|High: £3,388 GBP|Avg: £1,905 GBP|-1.6%
Retailer 1
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
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 5£798 GBP
Retailer 11£870 GBP
Retailer 17£961 GBP
Retailer 16£995 GBP
Retailer 4£1,045 GBP
Retailer 15£1,150 GBP
Retailer 1£1,275 GBP
Retailer 12£1,302 GBP
Retailer 3£1,627 GBP
Retailer 19£1,866 GBP
Retailer 2£1,878 GBP
Retailer 13£1,920 GBP
Retailer 7£2,289 GBP
Retailer 18£2,564 GBP
Retailer 8£2,692 GBP
Retailer 9£2,773 GBP
Retailer 14£2,819 GBP
Retailer 6£2,878 GBP
Retailer 10£3,232 GBP

32 data points across 19 retailers

20 retailers£798 GBP to £2,878 GBP

A
Cheapest Retailer
-
£798 GBP
$1,063 USD
Final sale: no returns
Retailer 2
-
£870 GBP
$1,159 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
£961 GBP
HK$10,000 HKD
View
A
Retailer 4
-
£995 GBP
$1,325 USD
View
A
Retailer 5
-
£1,045 GBP
$1,391 USD
View
A
Retailer 6
-
£1,150 GBP
$1,532 USD
View
A
Retailer 7
-
£1,275 GBP
View
A
Retailer 8
-
£1,302 GBP
€1,651 EUR
View
A
Retailer 9
-
£1,627 GBP
$2,166 USD
View
Retailer 10
-
£1,866 GBP
A$3,823 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£1,878 GBP
$2,501 USD
View
B+
Retailer 12
-
£1,920 GBP
ZAR 41,307 ZAR
View
B+
Retailer 13
-
£2,289 GBP
View
B+
Retailer 14
-
£2,564 GBP
$3,415 USD
View
B+
Retailer 15
-
£2,692 GBP
$3,585 USD
View
B+
Retailer 16
-
£2,773 GBP
SGD 4,991 SGD
View
B+
Retailer 17
-
£2,819 GBP
View
B+
Retailer 18
-
£2,878 GBP
$3,832 USD
View
Retailer 19
-
£3,232 GBP
A$6,622 AUD
View
Price last confirmed 27 days ago
Most Expensive
Brilliant Earth
20268737A · Sep 23
£6,481 GBP
$8,630 USD
View
Price last confirmed 36 days ago
19 more retailers have this diamond
Prices start from £798 GBPSave up to £2,080 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
3.57ct Cushion
£798 GBP