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Cushion|Lab Grown|IGI

3.03ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG665444683

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG665444683

Diamond specifications and retailer prices

From £1,452 GBP
HK$15,200 HKD
As of October 31, 2026
Save £3,824 GBP (72%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £7,986 GBP at Do Amore Diamonds · As of October 23, 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 LG665444683 or 665444683. Listed at 18 retailers as of October 31, 2026, with a 263% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665444683
Dimensions8.56 × 8.40 × 5.51 mm
L/W Ratio1.02
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
8.56 mm8.40 mm3.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665444683
Side View
Table 62.0%Crown 37.5°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 65.6%

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: £7,986 GBP|Low: £805 GBP|High: £7,986 GBP|Avg: £2,908 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 12
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Retailer 20
October 31, 2026
Retailer 15£1,116 GBP
Retailer 9£1,153 GBP
Retailer 6£1,228 GBP
Retailer 7£1,452 GBP
Retailer 14£1,654 GBP
Retailer 3£1,733 GBP
Retailer 4£1,743 GBP
Retailer 18£1,840 GBP
Retailer 13£2,605 GBP
Retailer 16£2,644 GBP
Retailer 11£2,775 GBP
Retailer 8£2,985 GBP
Retailer 5£3,250 GBP
Retailer 19£3,719 GBP
Retailer 17£4,000 GBP
Retailer 12£4,084 GBP
Retailer 10£4,206 GBP
Retailer 2£5,277 GBP
Retailer 20£5,758 GBP
Do Amore Diamonds£7,986 GBP

35 data points across 20 retailers

18 retailers£1,452 GBP to £5,277 GBP

Retailer 1
-
£1,116 GBP
$1,495 USD
Price last confirmed 8 days ago
Retailer 2
-
£1,228 GBP
$1,645 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
£1,452 GBP
HK$15,200 HKD
View
Retailer 4
-
£1,654 GBP
View
Price last confirmed 10 days ago
Retailer 5
-
£1,733 GBP
$2,322 USD
View
Price last confirmed 11 days ago
Retailer 6
-
£1,743 GBP
$2,335 USD
View
Price last confirmed 8 days ago
Retailer 7
-
£2,605 GBP
A$5,369 AUD
View
Price last confirmed 9 days ago
Retailer 8
-
£2,644 GBP
ZAR 57,239 ZAR
View
Price last confirmed 12 days ago
Retailer 9
-
£2,775 GBP
View
Price last confirmed 10 days ago
Retailer 10
-
£2,985 GBP
$4,000 USD
View
Price last confirmed 10 days ago
Retailer 11
-
£3,250 GBP
$4,354 USD
View
Price last confirmed 11 days ago
Retailer 12
-
£3,719 GBP
View
Price last confirmed 13 days ago
Retailer 13
-
£4,000 GBP
$5,360 USD
View
Price last confirmed 10 days ago
Retailer 14
-
£4,084 GBP
$5,472 USD
View
Price last confirmed 10 days ago
Retailer 15
-
£4,206 GBP
SGD 7,616 SGD
View
Price last confirmed 11 days ago
B
Retailer 16
-
£5,277 GBP
$7,070 USD
View
Retailer 17
-
£5,758 GBP
A$11,869 AUD
View
Price last confirmed 23 days ago
Most Expensive
Do Amore Diamonds
27-F5C892733 · Oct 23
£7,986 GBP
$10,700 USD
View
Price last confirmed 9 days ago
17 more retailers have this diamond
Prices start from £1,452 GBPSave up to £3,824 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
£1,452 GBP