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 £2,115 GBP
$2,834 USD
As of October 30, 2026
Save £6,520 GBP (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £8,635 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 £2,115 to £8,635, a £6,520 spread on the same certified stone. Brilliant Earth lists it at £8,635. 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 30
Current: £8,635 GBP|Low: £1,915 GBP|High: £8,635 GBP|Avg: £4,165 GBP
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 4£2,030 GBP
Retailer 6£2,115 GBP
Retailer 18£2,142 GBP
Retailer 3£2,153 GBP
Retailer 5£2,350 GBP
Retailer 2£2,795 GBP
Retailer 20£2,835 GBP
Retailer 16£2,902 GBP
Retailer 14£3,239 GBP
Retailer 7£3,391 GBP
Retailer 8£3,856 GBP
Retailer 19£4,433 GBP
Retailer 17£4,592 GBP
Retailer 13£4,714 GBP
Retailer 15£5,464 GBP
Retailer 9£5,675 GBP
Retailer 10£5,999 GBP
Retailer 11£6,798 GBP
Retailer 12£7,089 GBP
Brilliant Earth£8,635 GBP

36 data points across 20 retailers

22 retailers£2,115 GBP to £8,635 GBP

Retailer 1
-
£2,030 GBP
$2,720 USD
Price last confirmed 20 days ago
A
Retailer 2
-
£2,115 GBP
$2,834 USD
View
A
Retailer 3
-
£2,142 GBP
$2,870 USD
View
Final sale: no returns
A
Retailer 4
-
£2,153 GBP
$2,885 USD
View
A
Retailer 5
-
£2,350 GBP
HK$24,600 HKD
View
A
Retailer 6
-
£2,795 GBP
View
A
Retailer 7
-
£2,835 GBP
$3,798 USD
View
A
Retailer 8
-
£2,902 GBP
$3,888 USD
View
A
Retailer 9
-
£3,239 GBP
€4,133 EUR
View
A
Retailer 10
-
£3,391 GBP
$4,544 USD
View
B+
Retailer 11
-
£3,856 GBP
View
Retailer 12
-
£4,433 GBP
$5,940 USD
View
Price last confirmed 9 days ago
Retailer 13
-
£4,592 GBP
A$9,465 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£4,714 GBP
ZAR 102,035 ZAR
View
B+
Retailer 15
-
£5,152 GBP
$6,903 USD
View
B+
Retailer 16
-
£5,421 GBP
$7,263 USD
View
B+
Retailer 17
-
£5,464 GBP
View
B+
Retailer 18
-
£5,675 GBP
$7,604 USD
View
B+
Retailer 19
-
£5,999 GBP
$8,038 USD
View
B
Retailer 20
-
£6,798 GBP
SGD 12,308 SGD
View
B
Retailer 21
-
£7,089 GBP
$9,498 USD
View
Most Expensive
B
Brilliant Earth
16245078A · Oct 29
£8,635 GBP
$11,570 USD
View
21 more retailers have this diamond
Prices start from £2,115 GBPSave up to £6,520 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
£2,115 GBP