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Cushion|Lab Grown|IGI

4.03ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG709532928

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG709532928

Diamond specifications and retailer prices

From $4,510 AUD
$3,168 USD
As of October 30, 2026
Save $10,945 AUD (71%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $15,455 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.03ct lab-grown cushion diamond

This 4.03ct 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 LG709532928 or 709532928. Listed at 21 retailers as of October 30, 2026, with prices from $4,510 to $15,455, a $10,945 spread on the same certified stone. Taylor and Hart lists it at $15,455. 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

4.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle28°
OriginLab Grown
Grading LabIGI
CertificateIGI LG709532928
Dimensions10.53 × 8.13 × 5.28 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.53 mm8.13 mm4.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG709532928
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 28°Culet: NoneDepth 64.9%

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: $5,987 AUD|Low: $4,279 AUD|High: $17,529 AUD|Avg: $8,831 AUD|-15.4%
Retailer 1
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
Taylor and Hart
October 30, 2026
Retailer 10$4,433 AUD
Retailer 6$4,510 AUD
Retailer 3$4,662 AUD
Retailer 19$4,685 AUD
Retailer 4$5,139 AUD
Retailer 2$5,928 AUD
Retailer 1$5,987 AUD
Retailer 15$6,335 AUD
Retailer 13$7,081 AUD
Retailer 9$7,637 AUD
Retailer 8$7,958 AUD
Retailer 12$9,436 AUD
Retailer 16$9,512 AUD
Retailer 5$11,024 AUD
Retailer 18$11,266 AUD
Retailer 14$11,933 AUD
Retailer 11$12,381 AUD
Retailer 17$13,909 AUD
Retailer 7$14,862 AUD
Taylor and Hart$15,455 AUD

31 data points across 20 retailers

21 retailers$4,510 AUD to $15,455 AUD

Retailer 1
-
$4,433 AUD
$3,114 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$4,510 AUD
$3,168 USD
View
A
Retailer 3
-
$4,662 AUD
$3,275 USD
View
A
Retailer 4
-
$4,685 AUD
$3,291 USD
View
Final sale: no returns
A
Retailer 5
-
$5,139 AUD
HK$28,200 HKD
View
A
Retailer 6
-
$5,928 AUD
$4,164 USD
View
A
Retailer 7
-
$5,987 AUD
£3,312 GBP
View
A
Retailer 8
-
$6,335 AUD
$4,450 USD
View
A
Retailer 9
-
$7,081 AUD
€4,737 EUR
View
A
Retailer 10
-
$7,637 AUD
£4,224 GBP
View
A
Retailer 11
-
$7,958 AUD
$5,590 USD
View
A
Retailer 12
-
$9,436 AUD
ZAR 107,077 ZAR
View
Retailer 13
-
$9,512 AUD
View
Price last confirmed 8 days ago
Retailer 14
-
$10,691 AUD
$7,510 USD
View
Price last confirmed 32 days ago
A
Retailer 15
-
$11,024 AUD
$7,744 USD
View
A
Retailer 16
-
$11,266 AUD
$7,914 USD
View
A
Retailer 17
-
$11,933 AUD
£6,600 GBP
View
B+
Retailer 18
-
$12,381 AUD
$8,697 USD
View
B+
Retailer 19
-
$13,909 AUD
$9,770 USD
View
B+
Retailer 20
-
$14,862 AUD
SGD 14,108 SGD
View
Most Expensive
B+
Taylor and Hart
2Z978ZY · Oct 30
$15,455 AUD
$10,856 USD
View
20 more retailers have this diamond
Prices start from $4,510 AUDSave up to $10,945 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
4.03ct Cushion
$4,510 AUD