Cushion|Lab Grown|IGI

3.70ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG841661524

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG841661524

Diamond specifications and retailer prices

From £439 GBP

$588 USD

As of October 27, 2026

Save £4,718 GBP (91%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £5,157 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.7ct lab-grown cushion diamond

This 3.7ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841661524 or 841661524. Listed at 14 retailers as of October 27, 2026, with prices from £439 to £5,157, a £4,718 spread on the same certified stone. Brilliant Earth lists it at £5,157. 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

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.8°

Pavilion angle30.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG841661524

Dimensions10.04 × 7.75 × 5.11 mm

L/W Ratio1.30

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG841661524

Side View

Caratlytics Score

How it works →

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 27

Current: £5,157 GBP|Low: £439 GBP|High: £5,157 GBP|Avg: £1,420 GBP

Brilliant Earth

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

October 29, 2026

Retailer 6£439 GBP

Retailer 7£525 GBP

Retailer 10£586 GBP

Retailer 13£638 GBP

Retailer 2£705 GBP

Retailer 11£749 GBP

Retailer 3£752 GBP

Retailer 5£1,249 GBP

Retailer 9£1,523 GBP

Retailer 4£1,802 GBP

Retailer 12£2,031 GBP

Retailer 8£2,105 GBP

Retailer 14£2,246 GBP

Brilliant Earth£5,157 GBP

19 data points across 14 retailers

14 retailers£439 GBP to £5,157 GBP

Cheapest Retailer

£439 GBP

$588 USD

Final sale: no returns

Retailer 2

£525 GBP

HK$5,500 HKD

View

Retailer 3

£586 GBP

$785 USD

View

Retailer 4

£638 GBP

View

Price last confirmed 11 days ago

Retailer 5

£705 GBP

€900 EUR

View

Retailer 6

£749 GBP

View

B+

Retailer 7

£752 GBP

$1,008 USD

View

Retailer 8

£1,249 GBP

$1,674 USD

View

B+

Retailer 9

£1,523 GBP

SGD 2,758 SGD

View

B+

Retailer 10

£1,802 GBP

$2,414 USD

View

B+

Retailer 11

£2,031 GBP

View

B+

Retailer 12

£2,105 GBP

$2,821 USD

View

Retailer 13

£2,246 GBP

$3,010 USD

View

Price last confirmed 11 days ago

Most Expensive

Brilliant Earth

21808701A · Oct 29

£5,157 GBP

$6,910 USD

View

13 more retailers have this diamond

Prices start from £439 GBPSave up to £4,718 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.

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