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Cushion|Lab Grown|IGI

3.03ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG658493915

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG658493915

Diamond specifications and retailer prices

From $1,686 USD
As of October 28, 2026
Save $8,384 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,070 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.03ct lab-grown cushion diamond

This 3.03ct 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 LG658493915 or 658493915. Listed at 21 retailers as of October 28, 2026, with prices from $1,686 to $10,070, a $8,384 spread on the same certified stone. Brilliant Earth lists it at $10,070. 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

3.03
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658493915
Dimensions10.90 × 6.76 × 4.66 mm
L/W Ratio1.61
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm6.76 mm3.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658493915
Side View
Table 66.0%Crown 41.4°Girdle: MED-THKPavilion 35.2°Culet: NoneDepth 68.9%

Caratlytics Score

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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 28
Current: $10,070 USD|Low: $1,686 USD|High: $10,070 USD|Avg: $4,031 USD
Brilliant Earth
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
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Retailer 19
Retailer 20
October 30, 2026
Retailer 3$1,686 USD
Retailer 4$1,746 USD
Retailer 17$1,915 USD
Retailer 6$1,956 USD
Retailer 9$2,022 USD
Retailer 2$2,466 USD
Retailer 15$2,498 USD
Retailer 14$2,806 USD
Retailer 18$2,817 USD
Retailer 20$3,116 USD
Retailer 13$4,054 USD
Retailer 12$4,221 USD
Retailer 10$4,306 USD
Retailer 7$4,719 USD
Retailer 16$4,994 USD
Retailer 5$5,358 USD
Retailer 8$5,839 USD
Retailer 11$6,139 USD
Retailer 19$7,715 USD
Brilliant Earth$10,070 USD

34 data points across 20 retailers

21 retailers$1,686 USD to $10,070 USD

A
Cheapest Retailer
-
$1,686 USD
Final sale: no returns
Retailer 2
-
$1,746 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,915 USD
View
A
Retailer 4
-
$1,956 USD
View
A
Retailer 5
-
$2,022 USD
HK$15,800 HKD
View
A
Retailer 6
-
$2,466 USD
£1,941 GBP
View
A
Retailer 7
-
$2,498 USD
View
A
Retailer 8
-
$2,806 USD
€2,672 EUR
View
A
Retailer 9
-
$2,817 USD
View
A
Retailer 10
-
$3,116 USD
View
A
Retailer 11
-
$4,054 USD
ZAR 65,496 ZAR
View
A
Retailer 12
-
$4,221 USD
£3,324 GBP
View
A
Retailer 13
-
$4,306 USD
View
A
Retailer 14
-
$4,497 USD
View
A
Retailer 15
-
$4,719 USD
View
B+
Retailer 16
-
$4,994 USD
£3,932 GBP
View
B+
Retailer 17
-
$5,358 USD
View
B+
Retailer 18
-
$5,839 USD
SGD 7,891 SGD
View
B+
Retailer 19
-
$6,139 USD
View
Retailer 20
-
$7,715 USD
A$11,869 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
11915287A · Oct 29
$10,070 USD
View
20 more retailers have this diamond
Prices start from $1,686 USDSave up to $8,384 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
3.03ct Cushion
$1,686 USD