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Cushion|Lab Grown|IGI

3.02ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG687552114

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG687552114

Diamond specifications and retailer prices

From £1,143 GBP
$1,532 USD
As of October 31, 2026
Save £5,917 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £7,060 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.02ct lab-grown cushion diamond

This 3.02ct 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 LG687552114 or 687552114. Listed at 19 retailers as of October 31, 2026, with prices from £1,143 to £7,060, a £5,917 spread on the same certified stone. Brilliant Earth lists it at £7,060. 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

3.02
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687552114
Dimensions9.91 × 7.27 × 4.93 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.91 mm7.27 mm3.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687552114
Side View
Table 67.0%Crown 40.4°Girdle: STK-THKPavilion 33.4°Culet: NoneDepth 67.8%

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 31
Current: £7,060 GBP|Low: £1,143 GBP|High: £7,486 GBP|Avg: £2,759 GBP|-5.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 6£1,143 GBP
Retailer 14£1,184 GBP
Retailer 13£1,314 GBP
Retailer 5£1,350 GBP
Retailer 9£1,671 GBP
Retailer 12£1,728 GBP
Retailer 8£1,908 GBP
Retailer 3£1,979 GBP
Retailer 10£2,750 GBP
Retailer 7£2,855 GBP
Retailer 15£3,293 GBP
Retailer 11£3,825 GBP
Retailer 4£4,002 GBP
Retailer 2£5,667 GBP
Brilliant Earth£7,060 GBP

44 data points across 15 retailers

19 retailers£1,143 GBP to £7,060 GBP

A
Cheapest Retailer
-
£1,143 GBP
$1,532 USD
Final sale: no returns
Retailer 2
-
£1,184 GBP
$1,587 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£1,314 GBP
$1,760 USD
View
A
Retailer 4
-
£1,350 GBP
$1,809 USD
View
A
Retailer 5
-
£1,671 GBP
View
A
Retailer 6
-
£1,728 GBP
$2,315 USD
View
A
Retailer 7
-
£1,908 GBP
€2,435 EUR
View
A
Retailer 8
-
£1,979 GBP
$2,651 USD
View
A
Retailer 9
-
£2,279 GBP
$3,054 USD
View
A
Retailer 10
-
£2,750 GBP
ZAR 59,531 ZAR
View
A
Retailer 11
-
£2,855 GBP
View
B+
Retailer 12
-
£3,293 GBP
$4,412 USD
View
B+
Retailer 13
-
£3,673 GBP
$4,921 USD
View
B+
Retailer 14
-
£3,825 GBP
View
B+
Retailer 15
-
£4,002 GBP
SGD 7,246 SGD
View
B+
Retailer 16
-
£4,164 GBP
$5,579 USD
View
Retailer 17
-
£4,816 GBP
$6,453 USD
View
B
Retailer 18
-
£5,667 GBP
A$11,682 AUD
View
Most Expensive
B
Brilliant Earth
14482608A · Oct 31
£7,060 GBP
$9,460 USD
View
18 more retailers have this diamond
Prices start from £1,143 GBPSave up to £5,917 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
3.02ct Cushion
£1,143 GBP