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Cushion|Lab Grown|IGI

3.52ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG723552515

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG723552515

Diamond specifications and retailer prices

From £2,128 GBP
$2,834 USD
As of October 29, 2026
Save £6,560 GBP (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £8,688 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.52ct lab-grown cushion diamond

This 3.52ct 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 LG723552515 or 723552515. Listed at 22 retailers as of October 29, 2026, with prices from £2,128 to £8,688, a £6,560 spread on the same certified stone. Brilliant Earth lists it at £8,688. 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

3.52
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723552515
Dimensions9.46 × 7.67 × 5.01 mm
L/W Ratio1.23
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.46 mm7.67 mm3.52 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723552515
Side View
Table 67.0%Crown 39.9°Girdle: STK-THKPavilion 30°Culet: NoneDepth 65.3%

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 29
Current: £8,688 GBP|Low: £1,927 GBP|High: £8,688 GBP|Avg: £4,190 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
October 30, 2026
Retailer 4£2,043 GBP
Retailer 6£2,128 GBP
Retailer 18£2,155 GBP
Retailer 3£2,166 GBP
Retailer 5£2,365 GBP
Retailer 2£2,813 GBP
Retailer 20£2,852 GBP
Retailer 16£2,920 GBP
Retailer 14£3,259 GBP
Retailer 7£3,412 GBP
Retailer 8£3,880 GBP
Retailer 19£4,461 GBP
Retailer 17£4,620 GBP
Retailer 13£4,743 GBP
Retailer 15£5,498 GBP
Retailer 9£5,710 GBP
Retailer 10£6,036 GBP
Retailer 11£6,839 GBP
Retailer 12£7,132 GBP
Brilliant Earth£8,688 GBP

36 data points across 20 retailers

22 retailers£2,128 GBP to £8,688 GBP

Retailer 1
-
£2,043 GBP
$2,720 USD
Price last confirmed 19 days ago
A
Retailer 2
-
£2,128 GBP
$2,834 USD
View
A
Retailer 3
-
£2,155 GBP
$2,870 USD
View
Final sale: no returns
A
Retailer 4
-
£2,166 GBP
$2,885 USD
View
A
Retailer 5
-
£2,365 GBP
HK$24,600 HKD
View
A
Retailer 6
-
£2,813 GBP
View
A
Retailer 7
-
£2,852 GBP
$3,798 USD
View
A
Retailer 8
-
£2,920 GBP
$3,888 USD
View
A
Retailer 9
-
£3,259 GBP
€4,133 EUR
View
A
Retailer 10
-
£3,412 GBP
$4,544 USD
View
B+
Retailer 11
-
£3,880 GBP
View
Retailer 12
-
£4,461 GBP
$5,940 USD
View
Price last confirmed 8 days ago
Retailer 13
-
£4,620 GBP
A$9,465 AUD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£4,743 GBP
ZAR 102,035 ZAR
View
B+
Retailer 15
-
£5,184 GBP
$6,903 USD
View
B+
Retailer 16
-
£5,454 GBP
$7,263 USD
View
B+
Retailer 17
-
£5,498 GBP
View
B+
Retailer 18
-
£5,710 GBP
$7,604 USD
View
B+
Retailer 19
-
£6,036 GBP
$8,038 USD
View
B
Retailer 20
-
£6,839 GBP
SGD 12,308 SGD
View
B
Retailer 21
-
£7,132 GBP
$9,498 USD
View
Most Expensive
B
Brilliant Earth
16245078A · Oct 29
£8,688 GBP
$11,570 USD
View
21 more retailers have this diamond
Prices start from £2,128 GBPSave up to £6,560 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
3.52ct Cushion
£2,128 GBP