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Cushion|Lab Grown|IGI

3.63ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG738511297

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG738511297

Diamond specifications and retailer prices

From £1,414 GBP
$1,895 USD
As of October 31, 2026
Save £4,146 GBP (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £7,188 GBP at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3.63ct lab-grown cushion diamond

This 3.63ct 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 LG738511297 or 738511297. Listed at 21 retailers as of October 30, 2026, with a 293% 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

3.63
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738511297
Dimensions10.09 × 8.38 × 5.49 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
10.09 mm8.38 mm3.63 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738511297
Side View
Table 60.0%Crown 34.3°Girdle: STK-THKPavilion 36°Culet: NoneDepth 65.5%

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 31
Current: £7,188 GBP|Low: £1,327 GBP|High: £7,204 GBP|Avg: £3,474 GBP|-0.2%
Novita Diamonds
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
Retailer 21
October 31, 2026
Retailer 13£1,414 GBP
Retailer 19£1,419 GBP
Retailer 16£1,464 GBP
Retailer 21£1,557 GBP
Retailer 2£1,819 GBP
Retailer 12£2,069 GBP
Retailer 8£2,073 GBP
Retailer 7£2,991 GBP
Retailer 6£3,105 GBP
Retailer 10£3,109 GBP
Retailer 15£3,359 GBP
Retailer 17£3,471 GBP
Retailer 14£3,576 GBP
Retailer 9£3,947 GBP
Retailer 20£3,958 GBP
Retailer 11£4,504 GBP
Retailer 4£4,519 GBP
Retailer 5£4,530 GBP
Retailer 3£4,929 GBP
Retailer 18£5,560 GBP
Novita Diamonds£7,188 GBP

31 data points across 21 retailers

21 retailers£1,414 GBP to £5,560 GBP

A
Cheapest Retailer
-
£1,414 GBP
$1,895 USD
A
Retailer 2
-
£1,419 GBP
$1,901 USD
View
Final sale: no returns
A
Retailer 3
-
£1,464 GBP
$1,961 USD
View
A
Retailer 4
-
£1,557 GBP
HK$16,300 HKD
View
A
Retailer 5
-
£1,819 GBP
View
A
Retailer 6
-
£2,069 GBP
$2,772 USD
View
A
Retailer 7
-
£2,073 GBP
€2,645 EUR
View
A
Retailer 8
-
£2,991 GBP
ZAR 64,742 ZAR
View
A
Retailer 9
-
£3,105 GBP
View
Retailer 10
-
£3,109 GBP
A$6,409 AUD
View
Price last confirmed 9 days ago
A
Retailer 11
-
£3,359 GBP
$4,501 USD
View
A
Retailer 12
-
£3,471 GBP
$4,651 USD
View
A
Retailer 13
-
£3,576 GBP
$4,792 USD
View
B+
Retailer 14
-
£3,947 GBP
View
B+
Retailer 15
-
£3,958 GBP
$5,303 USD
View
Retailer 16
-
£4,504 GBP
$6,035 USD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
£4,519 GBP
SGD 8,182 SGD
View
B+
Retailer 18
-
£4,530 GBP
$6,070 USD
View
B+
Retailer 19
-
£4,929 GBP
$6,604 USD
View
B+
Retailer 20
-
£5,560 GBP
$7,450 USD
View
Most Expensive
Novita Diamonds
cert_738511297 · Oct 8
£7,188 GBP
A$14,817 AUD
View
Price last confirmed 22 days ago
20 more retailers have this diamond
Prices start from £1,414 GBPSave up to £4,146 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
3.63ct Cushion
£1,414 GBP