Cushion|Lab Grown|IGI

3.05ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG780678384

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780678384

Diamond specifications and retailer prices

From $894 USD
As of October 30, 2026
Save $4,356 USD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,250 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780678384 or 780678384. Listed at 10 retailers as of October 30, 2026, with prices from $894 to $5,250, a $4,356 spread on the same certified stone. Brilliant Earth lists it at $5,250. 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
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780678384
Dimensions9.89 × 7.75 × 5.00 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.89 mm7.75 mm3.05 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780678384
Side View
Table 64.0%Crown 36.4°Girdle: MED-THKPavilion 34.9°Culet: NoneDepth 64.5%

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 30
Current: $5,250 USD|Low: $750 USD|High: $5,410 USD|Avg: $2,187 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10$894 USD
Retailer 9$895 USD
Retailer 11$948 USD
Retailer 2$1,250 USD
Retailer 6$1,420 USD
Retailer 12$1,588 USD
Retailer 5$1,708 USD
Retailer 8$2,265 USD
Retailer 4$2,300 USD
Retailer 7$2,811 USD
Retailer 3$4,360 USD
Brilliant Earth$5,250 USD

25 data points across 12 retailers

10 retailers$894 USD to $5,250 USD

A
Cheapest Retailer
-
$894 USD
A
Retailer 2
-
$895 USD
View
A
Retailer 3
-
$948 USD
View
A
Retailer 4
-
$1,250 USD
€1,190 EUR
View
A
Retailer 5
-
$1,420 USD
A$2,185 AUD
View
B+
Retailer 6
-
$1,708 USD
View
Retailer 7
-
$2,265 USD
View
Price last confirmed 12 days ago
B
Retailer 8
-
$2,811 USD
£2,213 GBP
View
B
Retailer 9
-
$4,360 USD
View
Most Expensive
B
Brilliant Earth
20083140Y · Oct 31
$5,250 USD
View
9 more retailers have this diamond
Prices start from $894 USDSave up to $4,356 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
$894 USD