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Cushion|Lab Grown|IGI

3.08ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG571310031

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG571310031

Diamond specifications and retailer prices

From $687 USD
As of October 29, 2026
Save $4,143 USD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,830 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.08ct lab-grown cushion diamond

This 3.08ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG571310031 or 571310031. Listed at 15 retailers as of October 29, 2026, with prices from $687 to $4,830, a $4,143 spread on the same certified stone. Brilliant Earth lists it at $4,830. 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

3.08
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571310031
Dimensions7.55 × 9.86 × 4.91 mm
L/W Ratio1.31
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
7.55 mm9.86 mm3.08 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571310031
Side View
Table 60.5%Crown 34.3°Girdle: MED-STKPavilion 33.8°Culet: NoneDepth 65.0%

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 29
Current: $4,830 USD|Low: $605 USD|High: $4,970 USD|Avg: $1,845 USD|-2.8%
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
October 30, 2026
Retailer 4$687 USD
Retailer 12$761 USD
Retailer 10$880 USD
Retailer 3$1,032 USD
Retailer 13$1,136 USD
Retailer 11$1,166 USD
Retailer 2$1,192 USD
Retailer 9$1,617 USD
Retailer 8$1,653 USD
Retailer 14$2,210 USD
Retailer 6$2,460 USD
Retailer 5$2,514 USD
Retailer 7$3,322 USD
Brilliant Earth$4,830 USD

42 data points across 14 retailers

15 retailers$687 USD to $4,830 USD

A
Cheapest Retailer
-
$687 USD
Final sale: no returns
Retailer 2
-
$761 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$880 USD
View
A
Retailer 4
-
$1,032 USD
View
A
Retailer 5
-
$1,136 USD
View
A
Retailer 6
-
$1,166 USD
View
A
Retailer 7
-
$1,192 USD
£938 GBP
View
Retailer 8
-
$1,617 USD
A$2,488 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$1,653 USD
ZAR 26,705 ZAR
View
B+
Retailer 10
-
$2,210 USD
£1,740 GBP
View
B+
Retailer 11
-
$2,445 USD
HK$19,100 HKD
View
B+
Retailer 12
-
$2,460 USD
View
B
Retailer 13
-
$2,514 USD
View
B
Retailer 14
-
$3,322 USD
£2,616 GBP
View
Most Expensive
B
Brilliant Earth
17969083A · Oct 29
$4,830 USD
View
14 more retailers have this diamond
Prices start from $687 USDSave up to $4,143 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
3.08ct Cushion
$687 USD