Cushion|Lab Grown|IGI

3.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG842630587

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG842630587

Diamond specifications and retailer prices

From $536 USD
As of October 27, 2026
Save $4,384 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,920 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842630587 or 842630587. Listed at 17 retailers as of October 27, 2026, with prices from $536 to $4,920, a $4,384 spread on the same certified stone. Brilliant Earth lists it at $4,920. 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

3.05
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle29.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842630587
Dimensions9.67 × 7.30 × 4.89 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.67 mm7.30 mm3.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842630587
Side View
Table 59.0%Crown 37.2°Girdle: MED-THKPavilion 29.3°Culet: NoneDepth 67.0%

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 27
Current: $4,920 USD|Low: $525 USD|High: $5,170 USD|Avg: $1,601 USD|-4.8%
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
October 29, 2026
Retailer 4$536 USD
Retailer 10$640 USD
Retailer 13$680 USD
Retailer 16$715 USD
Retailer 2$857 USD
Retailer 7$926 USD
Retailer 14$981 USD
Retailer 6$1,264 USD
Retailer 17$1,278 USD
Retailer 3$1,301 USD
Retailer 12$1,867 USD
Retailer 9$1,939 USD
Retailer 8$2,085 USD
Retailer 15$2,186 USD
Retailer 5$2,223 USD
Retailer 11$2,563 USD
Brilliant Earth$4,920 USD

16 data points across 17 retailers

17 retailers$536 USD to $4,920 USD

A
Cheapest Retailer
-
$536 USD
Final sale: no returns
A
Retailer 2
-
$640 USD
HK$5,000 HKD
View
A
Retailer 3
-
$680 USD
£535 GBP
View
A
Retailer 4
-
$715 USD
View
A
Retailer 5
-
$857 USD
€816 EUR
View
A
Retailer 6
-
$926 USD
View
A
Retailer 7
-
$981 USD
£772 GBP
View
A
Retailer 8
-
$1,264 USD
A$1,945 AUD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$1,278 USD
ZAR 20,653 ZAR
View
A
Retailer 10
-
$1,301 USD
View
B+
Retailer 11
-
$1,867 USD
SGD 2,523 SGD
View
B+
Retailer 12
-
$1,939 USD
View
B+
Retailer 13
-
$2,085 USD
View
B+
Retailer 14
-
$2,186 USD
£1,721 GBP
View
B+
Retailer 15
-
$2,223 USD
View
B+
Retailer 16
-
$2,563 USD
View
Most Expensive
B
Brilliant Earth
21840443A · Oct 28
$4,920 USD
View
16 more retailers have this diamond
Prices start from $536 USDSave up to $4,384 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
3.05ct Cushion
$536 USD