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Cushion|Lab Grown|IGI

3.08ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG526268742

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG526268742

Diamond specifications and retailer prices

From $640 USD
As of October 29, 2026
Save $4,190 USD (87%) 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 LG526268742 or 526268742. Listed at 15 retailers as of October 29, 2026, with prices from $640 to $4,830, a $4,190 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 angle35.3°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526268742
Dimensions8.18 × 7.76 × 5.37 mm
L/W Ratio1.05
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
8.18 mm7.76 mm3.08 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526268742
Side View
Table 63.5%Crown 35.3°Girdle: STK-VTKPavilion 34.7°Culet: NoneDepth 69.2%

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: Oct 29
Current: $4,830 USD|Low: $605 USD|High: $4,970 USD|Avg: $1,674 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
October 30, 2026
Retailer 4$640 USD
Retailer 12$709 USD
Retailer 10$820 USD
Retailer 3$985 USD
Retailer 11$1,093 USD
Retailer 7$1,107 USD
Retailer 13$1,121 USD
Retailer 2$1,498 USD
Retailer 9$1,540 USD
Retailer 14$2,057 USD
Retailer 6$2,298 USD
Retailer 5$2,380 USD
Retailer 8$3,095 USD
Brilliant Earth$4,830 USD

42 data points across 14 retailers

15 retailers$640 USD to $4,830 USD

A
Cheapest Retailer
-
$640 USD
Final sale: no returns
Retailer 2
-
$709 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$820 USD
View
A
Retailer 4
-
$985 USD
View
A
Retailer 5
-
$1,093 USD
View
A
Retailer 6
-
$1,107 USD
£872 GBP
View
A
Retailer 7
-
$1,121 USD
View
A
Retailer 8
-
$1,498 USD
A$2,304 AUD
View
A
Retailer 9
-
$1,540 USD
ZAR 24,884 ZAR
View
B+
Retailer 10
-
$2,057 USD
£1,620 GBP
View
B+
Retailer 11
-
$2,298 USD
View
B+
Retailer 12
-
$2,380 USD
View
B
Retailer 13
-
$2,637 USD
HK$20,600 HKD
View
B
Retailer 14
-
$3,095 USD
£2,437 GBP
View
Most Expensive
B
Brilliant Earth
17972562A · Oct 29
$4,830 USD
View
14 more retailers have this diamond
Prices start from $640 USDSave up to $4,190 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
$640 USD