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Cushion|Lab Grown|IGI

3.70ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG781627474

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG781627474

Diamond specifications and retailer prices

From £1,172 GBP
$1,573 USD
As of November 1, 2026
Save £5,460 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £6,632 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.7ct lab-grown cushion diamond

This 3.7ct 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 LG781627474 or 781627474. Listed at 15 retailers as of November 1, 2026, with prices from £1,172 to £6,632, a £5,460 spread on the same certified stone. Do Amore Diamonds lists it at £6,632. 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

3.70
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781627474
Dimensions11.17 × 8.40 × 5.26 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.17 mm8.40 mm3.70 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781627474
Side View
Table 56.0%Crown 35.8°Girdle: MED-THKPavilion 36.8°Culet: LargeDepth 62.6%

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: £1,743 GBP|Low: £1,119 GBP|High: £3,574 GBP|Avg: £2,224 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12£1,119 GBP
Retailer 2£1,172 GBP
Retailer 8£1,248 GBP
Retailer 3£1,519 GBP
Retailer 11£1,569 GBP
Retailer 1£1,743 GBP
Retailer 6£2,788 GBP
Retailer 9£2,867 GBP
Retailer 4£2,987 GBP
Retailer 10£3,209 GBP
Retailer 7£3,282 GBP
Retailer 5£3,526 GBP

43 data points across 12 retailers

15 retailers£1,172 GBP to £6,632 GBP

Retailer 1
-
£1,119 GBP
$1,501 USD
Price last confirmed 21 days ago
A
Retailer 2
-
£1,172 GBP
$1,573 USD
View
Final sale: no returns
A
Retailer 3
-
£1,248 GBP
$1,675 USD
View
B+
Retailer 4
-
£1,519 GBP
$2,038 USD
View
B+
Retailer 5
-
£1,569 GBP
$2,106 USD
View
B+
Retailer 6
-
£1,743 GBP
View
B
Retailer 7
-
£2,788 GBP
A$5,756 AUD
View
B
Retailer 8
-
£2,867 GBP
ZAR 62,152 ZAR
View
B
Retailer 9
-
£2,987 GBP
View
B
Retailer 10
-
£3,209 GBP
$4,306 USD
View
B
Retailer 11
-
£3,282 GBP
A$6,776 AUD
View
B
Retailer 12
-
£3,526 GBP
View
B
Retailer 13
-
£4,375 GBP
$5,872 USD
View
B
Retailer 14
-
£5,277 GBP
$7,082 USD
View
Most Expensive
B
Do Amore Diamonds
27-B94F910E8 · Nov 2
£6,632 GBP
$8,900 USD
View
14 more retailers have this diamond
Prices start from £1,172 GBPSave up to £5,460 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
3.70ct Cushion
£1,172 GBP