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Cushion|Lab Grown|IGI

3.53ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG738525178

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG738525178

Diamond specifications and retailer prices

From £646 GBP
$867 USD
As of November 1, 2026
Save £3,326 GBP (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,972 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.53ct lab-grown cushion diamond

This 3.53ct 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 LG738525178 or 738525178. Listed at 22 retailers as of November 1, 2026, with prices from £646 to £3,972, a £3,326 spread on the same certified stone. Brilliant Earth lists it at £3,972. 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

3.53
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738525178
Dimensions10.09 × 7.53 × 5.25 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.09 mm7.53 mm3.53 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738525178
Side View
Table 59.0%Crown 36.9°Girdle: STK-THKPavilion 35.9°Culet: NoneDepth 69.7%

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: Nov 1
Current: £3,972 GBP|Low: £646 GBP|High: £4,270 GBP|Avg: £1,773 GBP|-7.0%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 20
November 2, 2026
Retailer 6£646 GBP
Retailer 5£669 GBP
Retailer 20£773 GBP
Retailer 4£801 GBP
Retailer 8£905 GBP
Retailer 18£958 GBP
Retailer 13£1,025 GBP
Retailer 15£1,063 GBP
Retailer 2£1,471 GBP
Retailer 16£1,511 GBP
Retailer 17£1,553 GBP
Retailer 9£1,699 GBP
Retailer 12£2,078 GBP
Retailer 10£2,249 GBP
Retailer 19£2,262 GBP
Retailer 11£2,311 GBP
Retailer 14£2,508 GBP
Retailer 3£2,843 GBP
Retailer 7£2,872 GBP
Brilliant Earth£3,972 GBP

34 data points across 20 retailers

22 retailers£646 GBP to £3,972 GBP

A
Cheapest Retailer
-
£646 GBP
$867 USD
Final sale: no returns
Retailer 2
-
£669 GBP
$898 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£773 GBP
HK$8,100 HKD
View
A
Retailer 4
-
£801 GBP
$1,075 USD
View
A
Retailer 5
-
£905 GBP
$1,214 USD
View
A
Retailer 6
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£958 GBP
$1,285 USD
View
A
Retailer 7
-
£1,025 GBP
View
A
Retailer 8
-
£1,063 GBP
€1,358 EUR
View
B+
Retailer 9
-
£1,471 GBP
$1,974 USD
View
B+
Retailer 10
-
£1,511 GBP
A$3,119 AUD
View
B+
Retailer 11
-
£1,553 GBP
ZAR 33,675 ZAR
View
B+
Retailer 12
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£1,699 GBP
$2,280 USD
View
B
Retailer 13
-
£2,078 GBP
View
B+
Retailer 14
-
£2,132 GBP
$2,861 USD
View
B
Retailer 15
-
£2,249 GBP
SGD 4,079 SGD
View
B+
Retailer 16
-
£2,262 GBP
$3,035 USD
View
B+
Retailer 17
-
£2,311 GBP
$3,101 USD
View
B
Retailer 18
-
£2,508 GBP
View
B
Retailer 19
-
£2,843 GBP
$3,815 USD
View
B
Retailer 20
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£2,862 GBP
$3,840 USD
View
Retailer 21
-
£2,872 GBP
A$5,929 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
16914693A · Nov 2
£3,972 GBP
$5,330 USD
View
21 more retailers have this diamond
Prices start from £646 GBPSave up to £3,326 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
3.53ct Cushion
£646 GBP