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Cushion|Lab Grown|IGI

3.05ct G VS1 Cushion Lab Grown Diamond

VG • G/VS1 • IGI LG584383735

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG584383735

Diamond specifications and retailer prices

From $441 USD
As of November 1, 2026
Save $4,339 USD (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,780 USD at Brilliant Earth · As of October 31, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG584383735 or 584383735. Listed at 17 retailers as of October 31, 2026, with prices from $441 to $4,780, a $4,339 spread on the same certified stone. Brilliant Earth lists it at $4,780. 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

3.05
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG584383735
Dimensions8.73 × 7.70 × 5.20 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.73 mm7.70 mm3.05 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG584383735
Side View
Table 69.0%Crown 43.3°Girdle: THK-ETKPavilion 35.5°Culet: NoneDepth 67.5%

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: Nov 1
Current: $4,780 USD|Low: $445 USD|High: $4,890 USD|Avg: $1,309 USD|-2.2%
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
November 2, 2026
Retailer 5$445 USD
Retailer 6$547 USD
Retailer 12$599 USD
Retailer 10$600 USD
Retailer 3$614 USD
Retailer 7$807 USD
Retailer 9$1,034 USD
Retailer 2$1,071 USD
Retailer 11$1,433 USD
Retailer 13$1,681 USD
Retailer 8$1,920 USD
Retailer 4$2,080 USD
Brilliant Earth$4,780 USD

38 data points across 13 retailers

17 retailers$441 USD to $4,780 USD

A
Cheapest Retailer
-
$441 USD
Final sale: no returns
Retailer 2
-
$445 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$547 USD
£431 GBP
View
B+
Retailer 4
-
$599 USD
View
A
Retailer 5
-
$600 USD
View
A
Retailer 6
-
$614 USD
HK$4,800 HKD
View
A
Retailer 7
-
$807 USD
£635 GBP
View
A
Retailer 8
-
$833 USD
View
A
Retailer 9
-
$1,034 USD
A$1,591 AUD
View
A
Retailer 10
-
$1,071 USD
ZAR 17,295 ZAR
View
B+
Retailer 11
-
$1,433 USD
£1,128 GBP
View
B+
Retailer 12
-
$1,681 USD
View
B+
Retailer 13
-
$1,733 USD
View
B+
Retailer 14
-
$1,920 USD
£1,512 GBP
View
Retailer 15
-
$2,080 USD
View
Price last confirmed 35 days ago
B
Retailer 16
-
$3,190 USD
View
Most Expensive
B
Brilliant Earth
16503500A · Oct 31
$4,780 USD
View
16 more retailers have this diamond
Prices start from $441 USDSave up to $4,339 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
$441 USD