Cushion|Lab Grown|IGI

2.89ct D IF Cushion Lab Grown Diamond

VG • D/IF • IGI LG754594819

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754594819

Diamond specifications and retailer prices

From £1,245 GBP
$1,654 USD
As of October 28, 2026
Save £4,753 GBP (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £5,998 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.89ct lab-grown cushion diamond

This 2.89ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG754594819 or 754594819. Listed at 21 retailers as of October 28, 2026, with prices from £1,245 to £5,998, a £4,753 spread on the same certified stone. Brilliant Earth lists it at £5,998. 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

2.89
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594819
Dimensions9.66 × 7.57 × 5.01 mm
L/W Ratio1.28
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
9.66 mm7.57 mm2.89 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594819
Side View
Table 60.0%Crown 35.2°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £5,998 GBP|Low: £1,178 GBP|High: £5,998 GBP|Avg: £2,872 GBP
Brilliant Earth
Retailer 2
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October 29, 2026
Retailer 18£1,245 GBP
Retailer 15£1,251 GBP
Retailer 17£1,261 GBP
Retailer 20£1,298 GBP
Retailer 21£1,378 GBP
Retailer 2£1,554 GBP
Retailer 16£1,585 GBP
Retailer 3£1,701 GBP
Retailer 5£2,512 GBP
Retailer 6£2,687 GBP
Retailer 11£2,730 GBP
Retailer 19£2,903 GBP
Retailer 10£2,928 GBP
Retailer 7£3,242 GBP
Retailer 4£3,526 GBP
Retailer 13£3,649 GBP
Retailer 12£3,966 GBP
Retailer 8£3,979 GBP
Retailer 9£4,324 GBP
Retailer 14£5,591 GBP
Brilliant Earth£5,998 GBP

27 data points across 21 retailers

21 retailers£1,245 GBP to £5,998 GBP

A
Cheapest Retailer
-
£1,245 GBP
$1,654 USD
Final sale: no returns
A
Retailer 2
-
£1,251 GBP
View
A
Retailer 3
-
£1,261 GBP
$1,675 USD
View
A
Retailer 4
-
£1,298 GBP
$1,725 USD
View
A
Retailer 5
-
£1,378 GBP
HK$14,300 HKD
View
A
Retailer 6
-
£1,554 GBP
€1,966 EUR
View
A
Retailer 7
-
£1,585 GBP
View
A
Retailer 8
-
£1,701 GBP
$2,260 USD
View
A
Retailer 9
-
£2,512 GBP
$3,338 USD
View
B+
Retailer 10
-
£2,687 GBP
A$5,492 AUD
View
A
Retailer 11
-
£2,730 GBP
View
A
Retailer 12
-
£2,903 GBP
ZAR 62,320 ZAR
View
B+
Retailer 13
-
£2,928 GBP
$3,891 USD
View
B+
Retailer 14
-
£3,242 GBP
$4,308 USD
View
B+
Retailer 15
-
£3,526 GBP
$4,685 USD
View
B+
Retailer 16
-
£3,649 GBP
View
B+
Retailer 17
-
£3,966 GBP
$5,270 USD
View
B+
Retailer 18
-
£3,979 GBP
SGD 7,144 SGD
View
B+
Retailer 19
-
£4,324 GBP
$5,746 USD
View
B
Retailer 20
-
£5,591 GBP
A$11,429 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
17981419A · Oct 28
£5,998 GBP
$7,970 USD
View
20 more retailers have this diamond
Prices start from £1,245 GBPSave up to £4,753 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
2.89ct Cushion
£1,245 GBP