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Cushion|Lab Grown|IGI

3.57ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG817609520

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG817609520

Diamond specifications and retailer prices

From £743 GBP
$997 USD
As of November 1, 2026
Save £4,369 GBP (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £5,112 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.57ct lab-grown cushion diamond

This 3.57ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817609520 or 817609520. Listed at 16 retailers as of November 1, 2026, with prices from £743 to £5,112, a £4,369 spread on the same certified stone. Do Amore Diamonds lists it at £5,112. 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
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle49.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817609520
Dimensions10.57 × 7.18 × 4.65 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.57 mm7.18 mm3.57 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817609520
Side View
Table 66.0%Crown 38.4°Girdle: MED-STKPavilion 49.5°Culet: LargeDepth 64.8%

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: Nov 1
Current: £5,112 GBP|Low: £645 GBP|High: £5,112 GBP|Avg: £1,900 GBP|+11.7%
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
November 3, 2026
Retailer 14£743 GBP
Retailer 16£756 GBP
Retailer 13£887 GBP
Retailer 3£977 GBP
Retailer 4£1,189 GBP
Retailer 9£1,287 GBP
Retailer 15£1,365 GBP
Retailer 12£1,885 GBP
Retailer 2£1,940 GBP
Retailer 5£2,225 GBP
Retailer 7£2,305 GBP
Retailer 11£2,462 GBP
Retailer 6£2,472 GBP
Retailer 10£2,832 GBP
Retailer 8£2,973 GBP
Do Amore Diamonds£5,112 GBP

31 data points across 16 retailers

16 retailers£743 GBP to £5,112 GBP

A
Cheapest Retailer
-
£743 GBP
$997 USD
Final sale: no returns
Retailer 2
-
£756 GBP
$1,015 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£887 GBP
$1,190 USD
View
A
Retailer 4
-
£977 GBP
$1,311 USD
View
A
Retailer 5
-
£1,189 GBP
$1,595 USD
View
B+
Retailer 6
-
£1,287 GBP
View
A
Retailer 7
-
£1,365 GBP
$1,832 USD
View
B+
Retailer 8
-
£1,885 GBP
A$3,892 AUD
View
B+
Retailer 9
-
£1,940 GBP
ZAR 42,064 ZAR
View
B+
Retailer 10
-
£2,225 GBP
$2,986 USD
View
B
Retailer 11
-
£2,305 GBP
View
B
Retailer 12
-
£2,462 GBP
View
B
Retailer 13
-
£2,472 GBP
$3,317 USD
View
B
Retailer 14
-
£2,832 GBP
View
B
Retailer 15
-
£2,973 GBP
$3,990 USD
View
Most Expensive
B
Do Amore Diamonds
20-E92281 · Nov 2
£5,112 GBP
$6,860 USD
View
15 more retailers have this diamond
Prices start from £743 GBPSave up to £4,369 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
£743 GBP