Cushion|Lab Grown|IGI

3.15ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG823652001

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG823652001

Diamond specifications and retailer prices

From £575 GBP

$771 USD

As of October 30, 2026

Save £1,779 GBP (76%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £3,045 GBP at Rare Carat · As of October 21, 2026

View at Rare Carat

About this 3.15ct lab-grown cushion diamond

This 3.15ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823652001 or 823652001. Listed at 17 retailers as of October 29, 2026, with a 309% 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

3.15

Carat

Colour

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.3°

Pavilion angle38.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG823652001

Dimensions9.89 × 7.56 × 5.10 mm

L/W Ratio1.31

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG823652001

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 30

Current: £3,045 GBP|Low: £575 GBP|High: £3,045 GBP|Avg: £1,486 GBP

Rare Carat

Retailer 2

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Retailer 16

October 31, 2026

Retailer 10£575 GBP

Retailer 8£607 GBP

Retailer 6£739 GBP

Retailer 9£855 GBP

Retailer 15£931 GBP

Retailer 11£955 GBP

Retailer 2£1,347 GBP

Retailer 3£1,385 GBP

Retailer 13£1,580 GBP

Retailer 7£1,865 GBP

Retailer 5£1,937 GBP

Retailer 4£2,010 GBP

Retailer 14£2,057 GBP

Retailer 12£2,124 GBP

Retailer 16£2,354 GBP

Rare Carat£3,045 GBP

21 data points across 16 retailers

17 retailers£575 GBP to £2,354 GBP

Cheapest Retailer

£575 GBP

$771 USD

Final sale: no returns

Retailer 2

£607 GBP

$813 USD

View

Price last confirmed 13 days ago

Retailer 3

£739 GBP

$990 USD

View

Retailer 4

£855 GBP

$1,145 USD

View

Retailer 5

£931 GBP

€1,188 EUR

View

Retailer 6

£955 GBP

View

Retailer 7

£1,347 GBP

A$2,777 AUD

View

Retailer 8

£1,385 GBP

ZAR 29,974 ZAR

View

Retailer 9

£1,580 GBP

$2,117 USD

View

B+

Retailer 10

£1,865 GBP

View

B+

Retailer 11

£1,937 GBP

$2,596 USD

View

B+

Retailer 12

£2,010 GBP

SGD 3,639 SGD

View

B+

Retailer 13

£2,057 GBP

$2,756 USD

View

B+

Retailer 14

£2,124 GBP

$2,846 USD

View

B+

Retailer 15

£2,354 GBP

View

Retailer 16

£2,994 GBP

A$6,171 AUD

View

Price last confirmed 22 days ago

Most Expensive

Rare Carat

CN200-16A · Oct 21

£3,045 GBP

$4,080 USD

View

Price last confirmed 9 days ago

16 more retailers have this diamond

Prices start from £575 GBPSave up to £1,779 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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