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Cushion|Lab Grown|IGI

2.75ct D FL Cushion Lab Grown Diamond

VG • D/FL • IGI LG800677356

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800677356

Diamond specifications and retailer prices

From £1,169 GBP
$1,557 USD
As of October 29, 2026
Save £7,016 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 very-good cut grade and certified by IGI LG800677356 or 800677356. Listed at 10 retailers as of October 29, 2026, with prices from £1,169 to £8,185, a £7,016 spread on the same certified stone. Brilliant Earth lists it at £8,185. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.75
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677356
Dimensions9.84 × 7.24 × 4.88 mm
L/W Ratio1.36
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
9.84 mm7.24 mm2.75 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677356
Side View
Table 59.0%Crown 35°Girdle: STK-THKPavilion 34.7°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £8,185 GBP|Low: £1,169 GBP|High: £10,123 GBP|Avg: £4,211 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£1,169 GBP
Retailer 9£1,171 GBP
Retailer 5£1,680 GBP
Retailer 11£1,789 GBP
Retailer 10£1,803 GBP
Retailer 2£1,989 GBP
Retailer 4£3,778 GBP
Retailer 8£4,547 GBP
Retailer 7£8,110 GBP
Brilliant Earth£8,185 GBP
Retailer 3£8,933 GBP

26 data points across 11 retailers

10 retailers£1,169 GBP to £8,185 GBP

A
Cheapest Retailer
-
£1,169 GBP
$1,557 USD
A
Retailer 2
-
£1,171 GBP
$1,560 USD
View
A
Retailer 3
-
£1,680 GBP
$2,237 USD
View
A
Retailer 4
-
£1,789 GBP
$2,382 USD
View
Final sale: no returns
A
Retailer 5
-
£1,803 GBP
$2,401 USD
View
A
Retailer 6
-
£1,989 GBP
€2,522 EUR
View
B+
Retailer 7
-
£3,778 GBP
View
Retailer 8
-
£4,547 GBP
$6,055 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
£8,110 GBP
$10,800 USD
View
Most Expensive
B
Brilliant Earth
20107170Y · Oct 29
£8,185 GBP
$10,900 USD
View
9 more retailers have this diamond
Prices start from £1,169 GBPSave up to £7,016 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
£1,169 GBP