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Cushion|Lab Grown|IGI

2.83ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG735517029

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG735517029

Diamond specifications and retailer prices

From £1,073 GBP
$1,429 USD
As of October 30, 2026
Save £4,799 GBP (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £5,872 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.83ct lab-grown cushion diamond

This 2.83ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735517029 or 735517029. Listed at 22 retailers as of October 29, 2026, with prices from £1,073 to £5,872, a £4,799 spread on the same certified stone. Brilliant Earth lists it at £5,872. 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

2.83
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735517029
Dimensions9.52 × 7.74 × 4.94 mm
L/W Ratio1.23
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
9.52 mm7.74 mm2.83 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735517029
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 63.8%

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 30
Current: £5,872 GBP|Low: £1,073 GBP|High: £7,735 GBP|Avg: £2,714 GBP|-24.1%
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 10£1,073 GBP
Retailer 8£1,112 GBP
Retailer 2£1,228 GBP
Retailer 19£1,243 GBP
Retailer 4£1,280 GBP
Retailer 17£1,288 GBP
Retailer 13£1,567 GBP
Retailer 20£1,626 GBP
Retailer 15£1,786 GBP
Retailer 9£2,413 GBP
Retailer 7£2,689 GBP
Retailer 14£2,870 GBP
Retailer 5£3,057 GBP
Retailer 6£3,477 GBP
Retailer 16£3,593 GBP
Retailer 12£3,904 GBP
Retailer 11£4,038 GBP
Retailer 18£4,051 GBP
Retailer 3£5,466 GBP
Brilliant Earth£5,872 GBP

29 data points across 20 retailers

22 retailers£1,073 GBP to £5,872 GBP

A
Cheapest Retailer
-
£1,073 GBP
$1,429 USD
Final sale: no returns
Retailer 2
-
£1,112 GBP
$1,481 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£1,228 GBP
View
A
Retailer 4
-
£1,243 GBP
$1,655 USD
View
A
Retailer 5
-
£1,280 GBP
$1,704 USD
View
A
Retailer 6
-
£1,288 GBP
HK$13,400 HKD
View
A
Retailer 7
-
£1,567 GBP
View
A
Retailer 8
-
£1,626 GBP
$2,165 USD
View
A
Retailer 9
-
£1,786 GBP
€2,265 EUR
View
A
Retailer 10
-
£2,413 GBP
$3,214 USD
View
A
Retailer 11
-
£2,689 GBP
View
A
Retailer 12
-
£2,870 GBP
ZAR 61,739 ZAR
View
A
Retailer 13
-
£3,057 GBP
$4,071 USD
View
B+
Retailer 14
-
£3,477 GBP
$4,630 USD
View
B+
Retailer 15
-
£3,593 GBP
View
B+
Retailer 16
-
£3,904 GBP
$5,199 USD
View
B+
Retailer 17
-
£4,038 GBP
$5,377 USD
View
B+
Retailer 18
-
£4,051 GBP
$5,395 USD
View
B+
Retailer 19
-
£4,101 GBP
View
Retailer 20
-
£4,179 GBP
$5,565 USD
View
Price last confirmed 35 days ago
Retailer 21
-
£5,466 GBP
A$11,198 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
15878409A · Oct 29
£5,872 GBP
$7,820 USD
View
21 more retailers have this diamond
Prices start from £1,073 GBPSave up to £4,799 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
2.83ct Cushion
£1,073 GBP