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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 $3,168 USD
As of October 30, 2026
Save $7,688 USD (71%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,856 USD 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 $3,168 to $10,856, a $7,688 spread on the same certified stone. Taylor and Hart lists it at $10,856. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,206 USD|Low: $3,006 USD|High: $12,313 USD|Avg: $6,204 USD|-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
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Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
October 30, 2026
Retailer 10$3,114 USD
Retailer 6$3,168 USD
Retailer 3$3,275 USD
Retailer 19$3,291 USD
Retailer 4$3,610 USD
Retailer 2$4,164 USD
Retailer 1$4,206 USD
Retailer 15$4,450 USD
Retailer 13$4,974 USD
Retailer 9$5,364 USD
Retailer 8$5,590 USD
Retailer 12$6,628 USD
Retailer 16$6,681 USD
Retailer 5$7,744 USD
Retailer 18$7,914 USD
Retailer 14$8,382 USD
Retailer 11$8,697 USD
Retailer 17$9,770 USD
Retailer 7$10,440 USD
Taylor and Hart$10,856 USD

31 data points across 20 retailers

21 retailers$3,168 USD to $10,856 USD

Retailer 1
-
$3,114 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$3,168 USD
View
A
Retailer 3
-
$3,275 USD
View
A
Retailer 4
-
$3,291 USD
View
Final sale: no returns
A
Retailer 5
-
$3,610 USD
HK$28,200 HKD
View
A
Retailer 6
-
$4,164 USD
View
A
Retailer 7
-
$4,206 USD
£3,312 GBP
View
A
Retailer 8
-
$4,450 USD
View
A
Retailer 9
-
$4,974 USD
€4,737 EUR
View
A
Retailer 10
-
$5,364 USD
£4,224 GBP
View
A
Retailer 11
-
$5,590 USD
View
A
Retailer 12
-
$6,628 USD
ZAR 107,077 ZAR
View
Retailer 13
-
$6,681 USD
A$10,279 AUD
View
Price last confirmed 8 days ago
Retailer 14
-
$7,510 USD
View
Price last confirmed 32 days ago
A
Retailer 15
-
$7,744 USD
View
A
Retailer 16
-
$7,914 USD
View
A
Retailer 17
-
$8,382 USD
£6,600 GBP
View
B+
Retailer 18
-
$8,697 USD
View
B+
Retailer 19
-
$9,770 USD
View
B+
Retailer 20
-
$10,440 USD
SGD 14,108 SGD
View
Most Expensive
B+
Taylor and Hart
2Z978ZY · Oct 30
$10,856 USD
View
20 more retailers have this diamond
Prices start from $3,168 USDSave up to $7,688 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
4.03ct Cushion
$3,168 USD