Cushion|Lab Grown|IGI

3.05ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG799647275

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799647275

Diamond specifications and retailer prices

From $566 USD
As of October 29, 2026
Save $3,914 USD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,010 USD at Brilliant Earth · As of October 22, 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 LG799647275 or 799647275. Listed at 19 retailers as of October 29, 2026, with a 692% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799647275
Dimensions10.02 × 7.61 × 5.08 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
10.02 mm7.61 mm3.05 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799647275
Side View
Table 63.0%Crown 33.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 66.8%

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 29
Current: $6,010 USD|Low: $566 USD|High: $6,010 USD|Avg: $1,800 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
Retailer 18
Retailer 19
October 29, 2026
Retailer 7$566 USD
Retailer 11$647 USD
Retailer 15$725 USD
Retailer 17$789 USD
Retailer 19$973 USD
Retailer 18$985 USD
Retailer 16$1,016 USD
Retailer 12$1,041 USD
Retailer 2$1,075 USD
Retailer 14$1,501 USD
Retailer 9$1,517 USD
Retailer 6$2,012 USD
Retailer 3$2,322 USD
Retailer 8$2,358 USD
Retailer 5$2,390 USD
Retailer 10$2,610 USD
Retailer 13$3,018 USD
Retailer 4$4,480 USD
Brilliant Earth$6,010 USD

42 data points across 19 retailers

19 retailers$566 USD to $4,480 USD

A
Cheapest Retailer
-
$566 USD
Final sale: no returns
A
Retailer 2
-
$647 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$725 USD
View
A
Retailer 4
-
$789 USD
£622 GBP
View
A
Retailer 5
-
$973 USD
View
A
Retailer 6
-
$985 USD
View
A
Retailer 7
-
$1,016 USD
View
A
Retailer 8
-
$1,041 USD
€991 EUR
View
A
Retailer 9
-
$1,075 USD
£846 GBP
View
A
Retailer 10
-
$1,501 USD
ZAR 24,254 ZAR
View
A
Retailer 11
-
$1,517 USD
A$2,334 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$2,012 USD
£1,584 GBP
View
B+
Retailer 13
-
$2,322 USD
View
B+
Retailer 14
-
$2,358 USD
View
B+
Retailer 15
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$2,390 USD
SGD 3,230 SGD
View
B+
Retailer 16
-
$2,610 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$3,018 USD
£2,376 GBP
View
B
Retailer 18
-
$4,480 USD
View
Most Expensive
B
Brilliant Earth
21068342Y · Oct 22
$6,010 USD
View
Price last confirmed 7 days ago
18 more retailers have this diamond
Prices start from $566 USDSave up to $3,914 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
$566 USD