Cushion|Lab Grown|IGI

3.05ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG831621909

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG831621909

Diamond specifications and retailer prices

From $1,320 USD
As of October 31, 2026
Save $4,130 USD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,450 USD at Brilliant Earth · As of October 29, 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 LG831621909 or 831621909. Listed at 20 retailers as of October 29, 2026, with prices from $1,320 to $5,450, a $4,130 spread on the same certified stone. Brilliant Earth lists it at $5,450. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831621909
Dimensions8.52 × 8.09 × 4.89 mm
L/W Ratio1.05
Girdle conditionFaceted
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 Faint Blue
Top View
8.52 mm8.09 mm3.05 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831621909
Side View
Table 61.0%Crown 35.2°Girdle: THK-VTKPavilion 30.4°Culet: NoneDepth 60.4%

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 31
Current: $5,450 USD|Low: $1,540 USD|High: $5,600 USD|Avg: $2,933 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 11$1,540 USD
Retailer 5$1,550 USD
Retailer 4$1,984 USD
Retailer 8$2,052 USD
Retailer 2$2,079 USD
Retailer 10$2,335 USD
Retailer 9$3,086 USD
Retailer 6$3,175 USD
Retailer 3$3,784 USD
Retailer 7$4,417 USD
Brilliant Earth$5,450 USD

34 data points across 11 retailers

20 retailers$1,320 USD to $5,450 USD

A
Cheapest Retailer
-
$1,320 USD
Final sale: no returns
A
Retailer 2
-
$1,355 USD
View
Retailer 3
-
$1,367 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$1,540 USD
View
A
Retailer 5
-
$1,550 USD
£1,221 GBP
View
B+
Retailer 6
-
$1,587 USD
HK$12,400 HKD
View
B+
Retailer 7
-
$1,618 USD
View
B+
Retailer 8
-
$1,984 USD
£1,562 GBP
View
B+
Retailer 9
-
$2,052 USD
View
B+
Retailer 10
-
$2,079 USD
€1,980 EUR
View
Retailer 11
-
$2,335 USD
View
Price last confirmed 12 days ago
Retailer 12
-
$3,086 USD
A$4,747 AUD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$3,175 USD
ZAR 51,296 ZAR
View
B
Retailer 14
-
$3,307 USD
£2,604 GBP
View
B
Retailer 15
-
$3,784 USD
View
B
Retailer 16
-
$4,317 USD
View
B
Retailer 17
-
$4,417 USD
£3,478 GBP
View
B
Retailer 18
-
$4,583 USD
SGD 6,193 SGD
View
B
Retailer 19
-
$4,790 USD
View
Most Expensive
B
Brilliant Earth
21459574A · Oct 29
$5,450 USD
View
19 more retailers have this diamond
Prices start from $1,320 USDSave up to $4,130 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
$1,320 USD