CaratHunter
Plans
Cushion|Lab Grown|IGI

2.75ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768632379

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768632379

Diamond specifications and retailer prices

From £1,155 GBP
$1,538 USD
As of October 29, 2026
Save £7,030 GBP (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £8,185 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.75ct lab-grown cushion diamond

This 2.75ct 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 LG768632379 or 768632379. Listed at 10 retailers as of October 29, 2026, with prices from £1,155 to £8,185, a £7,030 spread on the same certified stone. Brilliant Earth lists it at £8,185. 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

2.75
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632379
Dimensions9.09 × 7.52 × 5.13 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
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
9.09 mm7.52 mm2.75 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632379
Side View
Table 57.0%Crown 33.9°Girdle: THK-VTKPavilion 36.7°Culet: NoneDepth 68.2%

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: £8,185 GBP|Low: £1,153 GBP|High: £9,529 GBP|Avg: £3,991 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
Retailer 12
Retailer 13
October 29, 2026
Retailer 9£1,155 GBP
Retailer 7£1,175 GBP
Retailer 3£1,239 GBP
Retailer 8£1,658 GBP
Retailer 13£1,800 GBP
Retailer 2£1,961 GBP
Retailer 11£2,945 GBP
Retailer 6£3,726 GBP
Retailer 12£4,547 GBP
Retailer 5£6,576 GBP
Retailer 10£7,997 GBP
Brilliant Earth£8,185 GBP
Retailer 4£8,811 GBP

21 data points across 13 retailers

10 retailers£1,155 GBP to £8,185 GBP

A+
Cheapest Retailer
-
£1,155 GBP
$1,538 USD
A
Retailer 2
-
£1,175 GBP
$1,565 USD
View
A
Retailer 3
-
£1,658 GBP
$2,208 USD
View
A
Retailer 4
-
£1,800 GBP
$2,397 USD
View
A
Retailer 5
-
£1,961 GBP
€2,487 EUR
View
A
Retailer 6
-
£2,945 GBP
$3,922 USD
View
B+
Retailer 7
-
£3,726 GBP
View
Retailer 8
-
£4,547 GBP
$6,055 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
£7,997 GBP
$10,650 USD
View
Most Expensive
B
Brilliant Earth
18350441Y · Oct 29
£8,185 GBP
$10,900 USD
View
9 more retailers have this diamond
Prices start from £1,155 GBPSave up to £7,030 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+
2.75ct Cushion
£1,155 GBP