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Cushion|Lab Grown|IGI

3.03ct E IF Cushion Lab Grown Diamond

GD • E/IF • IGI LG818640129

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG818640129

Diamond specifications and retailer prices

From $1,864 USD
As of October 27, 2026
Save $6,376 USD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,240 USD at Brilliant Earth · As of October 28, 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 standard cut grade and certified by IGI LG818640129 or 818640129. Listed at 22 retailers as of October 27, 2026, with prices from $1,864 to $8,240, a $6,376 spread on the same certified stone. Brilliant Earth lists it at $8,240. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
E
Color
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818640129
Dimensions10.24 × 7.88 × 4.87 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeLarge
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
10.24 mm7.88 mm3.03 ctE / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818640129
Side View
Table 61.0%Crown 36°Girdle: STK-THKPavilion 39.9°Culet: LargeDepth 61.8%

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 27
Current: $8,240 USD|Low: $1,864 USD|High: $8,526 USD|Avg: $4,291 USD
Brilliant Earth
Retailer 2
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Retailer 22
October 29, 2026
Retailer 21$1,864 USD
Retailer 17$2,028 USD
Retailer 22$2,087 USD
Retailer 8$2,162 USD
Retailer 20$2,162 USD
Retailer 4$2,330 USD
Retailer 5$2,496 USD
Retailer 16$2,955 USD
Retailer 6$3,092 USD
Retailer 10$3,235 USD
Retailer 3$3,317 USD
Retailer 2$3,381 USD
Retailer 19$4,053 USD
Retailer 14$4,481 USD
Retailer 18$4,891 USD
Retailer 9$5,826 USD
Retailer 13$6,209 USD
Retailer 7$6,504 USD
Retailer 12$7,224 USD
Retailer 11$7,575 USD
Retailer 15$7,715 USD
Brilliant Earth$8,240 USD

36 data points across 22 retailers

22 retailers$1,864 USD to $8,240 USD

A
Cheapest Retailer
-
$1,864 USD
A
Retailer 2
-
$2,028 USD
View
A
Retailer 3
-
$2,087 USD
View
Final sale: no returns
A
Retailer 4
-
$2,162 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$2,162 USD
View
A
Retailer 6
-
$2,330 USD
View
A
Retailer 7
-
$2,496 USD
HK$19,500 HKD
View
A
Retailer 8
-
$2,955 USD
£2,327 GBP
View
A
Retailer 9
-
$3,092 USD
View
B+
Retailer 10
-
$3,235 USD
View
A
Retailer 11
-
$3,317 USD
View
A
Retailer 12
-
$3,381 USD
€3,220 EUR
View
B+
Retailer 13
-
$4,053 USD
View
B+
Retailer 14
-
$4,481 USD
£3,528 GBP
View
B+
Retailer 15
-
$4,891 USD
A$7,525 AUD
View
B+
Retailer 16
-
$5,826 USD
View
B+
Retailer 17
-
$6,209 USD
£4,889 GBP
View
B
Retailer 18
-
$6,504 USD
View
B
Retailer 19
-
$7,224 USD
SGD 9,762 SGD
View
B
Retailer 20
-
$7,575 USD
View
B
Retailer 21
-
$7,715 USD
A$11,869 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
21191487A · Oct 28
$8,240 USD
View
21 more retailers have this diamond
Prices start from $1,864 USDSave up to $6,376 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
$1,864 USD