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Cushion|Lab Grown|IGI

4.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG838622716

Certificate IGI LG838622716

Diamond specifications and retailer prices

From $5,186 AUD
$3,643 USD
As of October 30, 2026
Save $23,314 AUD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $28,500 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4ct lab-grown cushion diamond

This 4ct 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 LG838622716 or 838622716. Listed at 13 retailers as of October 29, 2026, with prices from $5,186 to $28,500, a $23,314 spread on the same certified stone. Do Amore Diamonds lists it at $28,500. 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

4.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG838622716
Dimensions10.82 × 7.47 × 4.78 mm
L/W Ratio1.45
Top View
10.82 mm7.47 mm4.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838622716
Side View
Table 68.0%CrownGirdle: MED-THKPavilionCulet: LNGDepth 64.0%

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: $28,500 AUD|Low: $5,186 AUD|High: $28,500 AUD|Avg: $11,911 AUD
Do Amore 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
October 30, 2026
Retailer 10$5,186 AUD
Retailer 4$5,353 AUD
Retailer 14$5,495 AUD
Retailer 12$6,196 AUD
Retailer 6$7,275 AUD
Retailer 7$7,782 AUD
Retailer 13$8,917 AUD
Retailer 8$12,385 AUD
Retailer 9$12,531 AUD
Retailer 3$12,760 AUD
Retailer 11$14,515 AUD
Retailer 2$17,841 AUD
Retailer 5$20,484 AUD
Do Amore Diamonds$28,500 AUD

6 data points across 14 retailers

13 retailers$5,186 AUD to $28,500 AUD

A
Cheapest Retailer
-
$5,186 AUD
$3,643 USD
A
Retailer 2
-
$5,353 AUD
$3,760 USD
View
Final sale: no returns
A
Retailer 3
-
$5,495 AUD
$3,860 USD
View
A
Retailer 4
-
$6,196 AUD
$4,352 USD
View
A
Retailer 5
-
$7,782 AUD
£4,304 GBP
View
A
Retailer 6
-
$8,917 AUD
£4,932 GBP
View
B+
Retailer 7
-
$12,385 AUD
ZAR 140,542 ZAR
View
B+
Retailer 8
-
$12,531 AUD
£6,931 GBP
View
B+
Retailer 9
-
$12,760 AUD
$8,963 USD
View
B+
Retailer 10
-
$14,515 AUD
$10,196 USD
View
B+
Retailer 11
-
$17,841 AUD
£9,868 GBP
View
B
Retailer 12
-
$20,484 AUD
$14,389 USD
View
Most Expensive
B
Do Amore Diamonds
20-E101706 · Oct 29
$28,500 AUD
$20,020 USD
View
12 more retailers have this diamond
Prices start from $5,186 AUDSave up to $23,314 AUD

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
4.00ct Cushion
$5,186 AUD