Radiant|Lab Grown|IGI

6.78ct G VVS2 Radiant Lab Grown Diamond

EX • G/VVS2 • IGI LG727502810

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG727502810

Diamond specifications and retailer prices

From £690 GBP

$925 USD

As of October 30, 2026

Save £5,437 GBP (89%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £6,127 GBP at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 6.78ct lab-grown radiant diamond

This 6.78ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG727502810 or 727502810. Listed at 22 retailers as of October 30, 2026, with prices from £690 to £6,127, a £5,437 spread on the same certified stone. Do Amore Diamonds lists it at £6,127. 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

6.78

Carat

Colour

VVS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle44.8°

Pavilion angle34.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG727502810

Dimensions13.50 × 9.14 × 6.21 mm

L/W Ratio1.48

Culet sizePointed

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 LG727502810

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: £6,127 GBP|Low: £669 GBP|High: £6,426 GBP|Avg: £2,385 GBP|-1.0%

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

Retailer 17

Retailer 18

Retailer 19

Retailer 20

Retailer 21

October 31, 2026

Retailer 3£690 GBP

Retailer 21£751 GBP

Retailer 19£801 GBP

Retailer 18£933 GBP

Retailer 15£933 GBP

Retailer 13£1,263 GBP

Retailer 7£1,283 GBP

Retailer 5£1,379 GBP

Retailer 2£1,637 GBP

Retailer 12£1,656 GBP

Retailer 16£1,710 GBP

Retailer 8£1,781 GBP

Retailer 20£1,879 GBP

Retailer 10£2,434 GBP

Retailer 6£2,504 GBP

Retailer 17£3,013 GBP

Retailer 9£3,117 GBP

Retailer 11£3,144 GBP

Retailer 14£4,332 GBP

Retailer 4£6,000 GBP

Do Amore Diamonds£6,127 GBP

31 data points across 21 retailers

22 retailers£690 GBP to £6,127 GBP

Cheapest Retailer

£690 GBP

$925 USD

Retailer 2

£751 GBP

$1,006 USD

View

Retailer 3

£801 GBP

$1,073 USD

View

Retailer 4

£808 GBP

$1,083 USD

View

Price last confirmed 14 days ago

Retailer 5

£933 GBP

$1,250 USD

View

Retailer 6

£933 GBP

View

Retailer 7

£1,263 GBP

View

B+

Retailer 8

£1,283 GBP

$1,719 USD

View

Retailer 9

£1,379 GBP

€1,760 EUR

View

Price last confirmed 7 days ago

Retailer 10

£1,637 GBP

A$3,375 AUD

View

Retailer 11

£1,656 GBP

$2,219 USD

View

Retailer 12

£1,710 GBP

ZAR 37,009 ZAR

View

Retailer 13

£1,781 GBP

$2,386 USD

View

B+

Retailer 14

£1,879 GBP

$2,518 USD

View

B+

Retailer 15

£2,434 GBP

View

B+

Retailer 16

£2,504 GBP

$3,355 USD

View

B+

Retailer 17

£3,013 GBP

View

B+

Retailer 18

£3,117 GBP

SGD 5,643 SGD

View

Retailer 19

£3,144 GBP

$4,213 USD

View

Retailer 20

£4,332 GBP

$5,805 USD

View

Price last confirmed 12 days ago

Retailer 21

£6,000 GBP

$8,040 USD

View

Most Expensive

Do Amore Diamonds

27-6B12346F6 · Oct 31

£6,127 GBP

$8,210 USD

View

21 more retailers have this diamond

Prices start from £690 GBPSave up to £5,437 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.

Similar diamonds

6.78ct Radiant

£690 GBP