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Cushion|Lab Grown|IGI

3.03ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG638468007

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG638468007

Diamond specifications and retailer prices

From £993 GBP
$1,331 USD
As of October 31, 2026
Save £6,895 GBP (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £7,889 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG638468007 or 638468007. Listed at 22 retailers as of October 31, 2026, with prices from £993 to £7,889, a £6,895 spread on the same certified stone. Do Amore Diamonds lists it at £7,889. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638468007
Dimensions9.57 × 7.95 × 5.27 mm
L/W Ratio1.20
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
9.57 mm7.95 mm3.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638468007
Side View
Table 59.0%Crown 34.2°Girdle: MediumPavilion 37.9°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
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 31
Current: £7,889 GBP|Low: £993 GBP|High: £7,889 GBP|Avg: £2,951 GBP
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 20
October 31, 2026
Retailer 7£993 GBP
Retailer 18£1,149 GBP
Retailer 3£1,216 GBP
Retailer 13£1,255 GBP
Retailer 6£1,366 GBP
Retailer 12£1,396 GBP
Retailer 15£1,542 GBP
Retailer 2£1,603 GBP
Retailer 20£1,740 GBP
Retailer 17£2,572 GBP
Retailer 14£2,640 GBP
Retailer 5£2,741 GBP
Retailer 9£2,955 GBP
Retailer 4£3,214 GBP
Retailer 16£3,658 GBP
Retailer 8£3,959 GBP
Retailer 19£4,000 GBP
Retailer 10£4,033 GBP
Retailer 11£5,277 GBP
Do Amore Diamonds£7,889 GBP

40 data points across 20 retailers

22 retailers£993 GBP to £7,889 GBP

A
Cheapest Retailer
-
£993 GBP
$1,331 USD
Final sale: no returns
A
Retailer 2
-
£1,149 GBP
$1,540 USD
View
A
Retailer 3
-
£1,216 GBP
$1,629 USD
View
A
Retailer 4
-
£1,255 GBP
View
A
Retailer 5
-
£1,366 GBP
HK$14,300 HKD
View
Retailer 6
-
£1,396 GBP
$1,871 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
£1,542 GBP
$2,066 USD
View
A
Retailer 8
-
£1,603 GBP
View
A
Retailer 9
-
£1,740 GBP
$2,332 USD
View
Retailer 10
-
£2,572 GBP
A$5,301 AUD
View
Price last confirmed 9 days ago
A
Retailer 11
-
£2,640 GBP
ZAR 57,148 ZAR
View
A
Retailer 12
-
£2,741 GBP
View
A
Retailer 13
-
£2,955 GBP
$3,960 USD
View
B+
Retailer 14
-
£3,214 GBP
$4,307 USD
View
B+
Retailer 15
-
£3,658 GBP
View
B+
Retailer 16
-
£3,959 GBP
SGD 7,168 SGD
View
Retailer 17
-
£4,000 GBP
$5,360 USD
View
Price last confirmed 10 days ago
B+
Retailer 18
-
£4,033 GBP
$5,404 USD
View
Retailer 19
-
£4,107 GBP
$5,503 USD
View
Price last confirmed 103 days ago
Retailer 20
-
£4,436 GBP
View
Price last confirmed 15 days ago
B+
Retailer 21
-
£5,277 GBP
$7,070 USD
View
Most Expensive
B
Do Amore Diamonds
27-EA4C6CFAE · Oct 31
£7,889 GBP
$10,570 USD
View
21 more retailers have this diamond
Prices start from £993 GBPSave up to £6,895 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
£993 GBP