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Round|Lab Grown|IGI

2.78ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG792628337

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792628337

Diamond specifications and retailer prices

From £728 GBP
$976 USD
As of October 29, 2026
Save £5,735 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £6,463 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 2.78ct lab-grown round diamond

This 2.78ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG792628337 or 792628337. Listed at 11 retailers as of October 29, 2026, with prices from £728 to £6,463, a £5,735 spread on the same certified stone. Do Amore Diamonds lists it at £6,463. 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792628337
Dimensions9.08 × 9.03 × 5.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.08 mm9.03 mm2.78 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792628337
Side View
Table 59.0%Crown 33.6°Girdle: Slightly ThickPavilion 40.3°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
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: £6,463 GBP|Low: £714 GBP|High: £8,232 GBP|Avg: £2,698 GBP|-13.5%
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
October 29, 2026
Retailer 2£728 GBP
Retailer 11£793 GBP
Retailer 3£1,000 GBP
Retailer 8£1,352 GBP
Retailer 9£1,403 GBP
Retailer 10£1,748 GBP
Retailer 13£1,834 GBP
Retailer 4£2,060 GBP
Retailer 6£2,158 GBP
Retailer 12£2,334 GBP
Retailer 7£3,179 GBP
Retailer 5£3,809 GBP
Retailer 14£4,403 GBP
Do Amore Diamonds£6,463 GBP

31 data points across 14 retailers

11 retailers£728 GBP to £6,463 GBP

A
Cheapest Retailer
-
£728 GBP
$976 USD
A
Retailer 2
-
£793 GBP
$1,062 USD
View
A
Retailer 3
-
£1,000 GBP
$1,340 USD
View
Final sale: no returns
A
Retailer 4
-
£1,352 GBP
$1,811 USD
View
A
Retailer 5
-
£1,403 GBP
$1,880 USD
View
A
Retailer 6
-
£1,748 GBP
$2,342 USD
View
A
Retailer 7
-
£1,834 GBP
$2,457 USD
View
B+
Retailer 8
-
£2,334 GBP
$3,127 USD
View
B+
Retailer 9
-
£3,179 GBP
View
Retailer 10
-
£4,403 GBP
$5,900 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Do Amore Diamonds
27-DD7A11E3F · Oct 29
£6,463 GBP
$8,660 USD
View
10 more retailers have this diamond
Prices start from £728 GBPSave up to £5,735 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
2.78ct Round
£728 GBP