Round|Lab Grown|GIA

2.78ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 6532728808

Certificate GIA 6532728808

Diamond specifications and retailer prices

From £1,293 GBP

$1,732 USD

As of October 29, 2026

Save £8,507 GBP (87%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £9,799 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 2.78ct lab-grown round diamond

This 2.78ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6532728808. Listed at 21 retailers as of October 29, 2026, with prices from £1,293 to £9,799, a £8,507 spread on the same certified stone. Brilliant Earth lists it at £9,799. 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

2.78

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle40.8°

OriginLab Grown

Grading LabGIA

CertificateGIA 6532728808

Dimensions8.98 × 9.01 × 5.56 mm

L/W Ratio1.00

View GIA Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6532728808

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 29

Current: £9,799 GBP|Low: £1,241 GBP|High: £10,105 GBP|Avg: £4,379 GBP|-3.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

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Retailer 9

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Retailer 11

Retailer 12

Retailer 13

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Retailer 18

Retailer 19

October 30, 2026

Retailer 17£1,293 GBP

Retailer 18£1,499 GBP

Retailer 19£1,499 GBP

Retailer 10£1,563 GBP

Retailer 16£1,586 GBP

Retailer 4£1,690 GBP

Retailer 6£1,723 GBP

Retailer 5£2,107 GBP

Retailer 14£2,500 GBP

Retailer 15£3,433 GBP

Retailer 3£4,405 GBP

Retailer 12£4,752 GBP

Retailer 8£5,038 GBP

Retailer 9£5,796 GBP

Retailer 2£7,419 GBP

Retailer 13£7,419 GBP

Retailer 11£8,216 GBP

Retailer 7£8,896 GBP

Brilliant Earth£9,799 GBP

28 data points across 19 retailers

21 retailers£1,293 GBP to £9,799 GBP

Cheapest Retailer

£1,293 GBP

$1,732 USD

Retailer 2

£1,406 GBP

$1,884 USD

View

Retailer 3

£1,499 GBP

$2,009 USD

View

Price last confirmed 19 days ago

Retailer 4

£1,499 GBP

$2,009 USD

View

Retailer 5

£1,586 GBP

$2,125 USD

View

Retailer 6

£1,690 GBP

$2,264 USD

View

Retailer 7

£1,723 GBP

$2,308 USD

View

B+

Retailer 8

£2,107 GBP

$2,823 USD

View

B+

Retailer 9

£2,500 GBP

€3,190 EUR

View

B+

Retailer 10

£3,102 GBP

$4,157 USD

View

B+

Retailer 11

£3,433 GBP

$4,600 USD

View

B+

Retailer 12

£3,822 GBP

$5,121 USD

View

Retailer 13

£4,405 GBP

$5,902 USD

View

B+

Retailer 14

£4,752 GBP

View

Retailer 15

£5,038 GBP

$6,751 USD

View

Retailer 16

£5,796 GBP

$7,767 USD

View

Retailer 17

£7,419 GBP

$9,940 USD

View

Retailer 18

£7,419 GBP

$9,940 USD

View

Retailer 19

£8,216 GBP

$11,009 USD

View

Retailer 20

£8,896 GBP

$11,920 USD

View

Most Expensive

Brilliant Earth

17907083A · Oct 31

£9,799 GBP

$13,130 USD

View

20 more retailers have this diamond

Prices start from £1,293 GBPSave up to £8,507 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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