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Cushion|Lab Grown|IGI

3.03ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG826639392

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG826639392

Diamond specifications and retailer prices

From £2,937 GBP
$3,935 USD
As of October 30, 2026
Save £1,420 GBP (33%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £9,240 GBP at Taylor and Hart · As of October 5, 2026
View at Taylor and Hart

About this 3.03ct lab-grown cushion diamond

This 3.03ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG826639392 or 826639392. Listed at 8 retailers as of October 26, 2026, with a 48% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.03
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle50.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826639392
Dimensions10.03 × 6.74 × 4.60 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.03 mm6.74 mm3.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826639392
Side View
Table 64.0%Crown 36.1°Girdle: MED-STKPavilion 50.5°Culet: LargeDepth 68.2%

Caratlytics Score

How it works →
A
Excellent
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 30
Current: £5,834 GBP|Low: £1,923 GBP|High: £9,240 GBP|Avg: £5,021 GBP|-18.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 11, 2026
Retailer 6£2,652 GBP
Retailer 11£2,708 GBP
Retailer 3£2,769 GBP
Retailer 9£2,937 GBP
Retailer 4£3,599 GBP
Retailer 5£4,357 GBP
Retailer 10£4,572 GBP
Retailer 1£5,834 GBP
Retailer 7£6,178 GBP
Retailer 8£6,804 GBP
Retailer 2£7,713 GBP
Taylor and Hart£9,240 GBP

17 data points across 12 retailers

8 retailers£2,937 GBP to £4,357 GBP

A
Cheapest Retailer
-
£2,937 GBP
$3,935 USD
Final sale: no returns
B+
Retailer 2
-
£4,357 GBP
$5,838 USD
View
Retailer 3
-
£4,572 GBP
View
Price last confirmed 25 days ago
Retailer 4
-
£5,834 GBP
$7,817 USD
View
Price last confirmed 19 days ago
Retailer 5
-
£6,178 GBP
ZAR 133,737 ZAR
View
Price last confirmed 27 days ago
Retailer 6
-
£6,804 GBP
View
Price last confirmed 24 days ago
Retailer 7
-
£7,713 GBP
$10,334 USD
View
Price last confirmed 26 days ago
Most Expensive
Taylor and Hart
QRAFNUU · Oct 5
£9,240 GBP
$12,381 USD
View
Price last confirmed 25 days ago
7 more retailers have this diamond
Prices start from £2,937 GBPSave up to £1,420 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
3.03ct Cushion
£2,937 GBP