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Cushion|Lab Grown|IGI

2.79ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804660334

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804660334

Diamond specifications and retailer prices

From £1,184 GBP
$1,577 USD
As of October 29, 2026
Save £7,121 GBP (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £8,305 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.79ct lab-grown cushion diamond

This 2.79ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804660334 or 804660334. Listed at 11 retailers as of October 29, 2026, with prices from £1,184 to £8,305, a £7,121 spread on the same certified stone. Brilliant Earth lists it at £8,305. 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

2.79
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660334
Dimensions9.14 × 7.63 × 5.30 mm
L/W Ratio1.20
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
9.14 mm7.63 mm2.79 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660334
Side View
Table 61.0%Crown 33.2°Girdle: MED-THKPavilion 37.9°Culet: NoneDepth 69.5%

Caratlytics Score

How it works →
A+
Exceptional
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: £8,305 GBP|Low: £1,184 GBP|High: £10,273 GBP|Avg: £3,786 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6£1,184 GBP
Retailer 10£1,186 GBP
Retailer 3£1,670 GBP
Retailer 5£1,703 GBP
Retailer 11£1,853 GBP
Retailer 2£2,017 GBP
Retailer 8£3,024 GBP
Retailer 4£3,817 GBP
Retailer 9£4,614 GBP
Retailer 7£8,230 GBP
Brilliant Earth£8,305 GBP

30 data points across 11 retailers

11 retailers£1,184 GBP to £8,305 GBP

A+
Cheapest Retailer
-
£1,184 GBP
$1,577 USD
A
Retailer 2
-
£1,186 GBP
$1,580 USD
View
A
Retailer 3
-
£1,670 GBP
$2,224 USD
View
Final sale: no returns
A
Retailer 4
-
£1,703 GBP
$2,268 USD
View
A
Retailer 5
-
£1,853 GBP
$2,467 USD
View
A
Retailer 6
-
£2,017 GBP
€2,558 EUR
View
B+
Retailer 7
-
£3,024 GBP
$4,027 USD
View
B+
Retailer 8
-
£3,817 GBP
View
Retailer 9
-
£4,614 GBP
$6,145 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
£8,230 GBP
$10,960 USD
View
Most Expensive
B
Brilliant Earth
20495591Y · Oct 29
£8,305 GBP
$11,060 USD
View
10 more retailers have this diamond
Prices start from £1,184 GBPSave up to £7,121 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+
2.79ct Cushion
£1,184 GBP