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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 $1,901 USD
As of October 30, 2026
Save $5,559 USD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,631 USD 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 29, 2026, with a 292% 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,631 USD|Low: $1,778 USD|High: $9,653 USD|Avg: $4,669 USD|+1.2%
Novita Diamonds
Retailer 2
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Retailer 20
Retailer 21
October 30, 2026
Retailer 2$1,901 USD
Retailer 6$2,010 USD
Retailer 12$2,068 USD
Retailer 15$2,086 USD
Retailer 18$2,437 USD
Retailer 9$2,772 USD
Retailer 3$2,777 USD
Retailer 21$4,008 USD
Retailer 20$4,161 USD
Retailer 5$4,166 USD
Retailer 8$4,533 USD
Retailer 14$4,792 USD
Retailer 11$4,964 USD
Retailer 4$5,288 USD
Retailer 13$5,303 USD
Retailer 7$6,035 USD
Retailer 17$6,055 USD
Retailer 19$6,070 USD
Retailer 16$6,604 USD
Retailer 10$7,460 USD
Novita Diamonds$9,631 USD

32 data points across 21 retailers

21 retailers$1,901 USD to $7,460 USD

A
Cheapest Retailer
-
$1,901 USD
Final sale: no returns
A
Retailer 2
-
$2,010 USD
View
A
Retailer 3
-
$2,068 USD
View
A
Retailer 4
-
$2,086 USD
HK$16,300 HKD
View
A
Retailer 5
-
$2,437 USD
£1,919 GBP
View
A
Retailer 6
-
$2,772 USD
View
A
Retailer 7
-
$2,777 USD
€2,645 EUR
View
A
Retailer 8
-
$4,008 USD
ZAR 64,742 ZAR
View
A
Retailer 9
-
$4,161 USD
£3,276 GBP
View
Retailer 10
-
$4,166 USD
A$6,409 AUD
View
Price last confirmed 7 days ago
A
Retailer 11
-
$4,533 USD
View
A
Retailer 12
-
$4,792 USD
View
A
Retailer 13
-
$4,964 USD
View
B+
Retailer 14
-
$5,288 USD
£4,164 GBP
View
B+
Retailer 15
-
$5,303 USD
View
Retailer 16
-
$6,035 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$6,055 USD
SGD 8,182 SGD
View
B+
Retailer 18
-
$6,070 USD
View
B+
Retailer 19
-
$6,604 USD
View
B+
Retailer 20
-
$7,460 USD
View
Most Expensive
Novita Diamonds
cert_738511297 · Oct 8
$9,631 USD
A$14,817 AUD
View
Price last confirmed 21 days ago
20 more retailers have this diamond
Prices start from $1,901 USDSave up to $5,559 USD

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
$1,901 USD