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Cushion|Lab Grown|IGI

3.85ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG735568369

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG735568369

Diamond specifications and retailer prices

From $1,750 USD
As of October 29, 2026
Save $7,430 USD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,180 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.85ct lab-grown cushion diamond

This 3.85ct 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 LG735568369 or 735568369. Listed at 19 retailers as of October 29, 2026, with prices from $1,750 to $9,180, a $7,430 spread on the same certified stone. Brilliant Earth lists it at $9,180. 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

3.85
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735568369
Dimensions8.49 × 8.49 × 5.73 mm
L/W Ratio1.00
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
8.49 mm8.49 mm3.85 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735568369
Side View
Table 63.0%Crown 35.5°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 67.5%

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 29
Current: $9,180 USD|Low: $1,646 USD|High: $9,470 USD|Avg: $3,954 USD|-3.1%
Brilliant Earth
Retailer 2
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Retailer 13
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Retailer 18
October 30, 2026
Retailer 8$1,705 USD
Retailer 15$1,750 USD
Retailer 5$2,026 USD
Retailer 11$2,408 USD
Retailer 18$2,565 USD
Retailer 13$2,741 USD
Retailer 2$3,495 USD
Retailer 16$3,858 USD
Retailer 12$3,960 USD
Retailer 10$4,115 USD
Retailer 4$4,378 USD
Retailer 6$4,426 USD
Retailer 14$4,897 USD
Retailer 3$4,991 USD
Retailer 9$5,247 USD
Retailer 7$6,005 USD
Retailer 17$6,270 USD
Brilliant Earth$9,180 USD

34 data points across 18 retailers

19 retailers$1,750 USD to $9,180 USD

Retailer 1
-
$1,705 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$1,750 USD
View
A
Retailer 3
-
$2,026 USD
View
A
Retailer 4
-
$2,408 USD
£1,896 GBP
View
Retailer 5
-
$2,476 USD
£1,950 GBP
View
Price last confirmed 18 days ago
A
Retailer 6
-
$2,565 USD
View
A
Retailer 7
-
$2,741 USD
€2,610 EUR
View
A
Retailer 8
-
$3,495 USD
View
Final sale: no returns
Retailer 9
-
$3,858 USD
A$5,935 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$3,960 USD
ZAR 63,977 ZAR
View
A
Retailer 11
-
$4,115 USD
£3,240 GBP
View
A
Retailer 12
-
$4,378 USD
View
A
Retailer 13
-
$4,426 USD
View
A
Retailer 14
-
$4,897 USD
£3,856 GBP
View
A
Retailer 15
-
$4,991 USD
View
B+
Retailer 16
-
$5,247 USD
View
B+
Retailer 17
-
$6,005 USD
View
Retailer 18
-
$6,270 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
15946699A · Oct 29
$9,180 USD
View
18 more retailers have this diamond
Prices start from $1,750 USDSave up to $7,430 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
3.85ct Cushion
$1,750 USD