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Cushion|Lab Grown|IGI

3.55ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG574366459

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG574366459

Diamond specifications and retailer prices

From $787 USD
As of October 31, 2026
Save $2,803 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,590 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.55ct lab-grown cushion diamond

This 3.55ct 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 LG574366459 or 574366459. Listed at 15 retailers as of October 29, 2026, with prices from $787 to $3,590, a $2,803 spread on the same certified stone. Brilliant Earth lists it at $3,590. 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

3.55
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG574366459
Dimensions9.52 × 7.93 × 5.36 mm
L/W Ratio1.20
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
9.52 mm7.93 mm3.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG574366459
Side View
Table 62.0%Crown 36.4°Girdle: STK-VTKPavilion 34.1°Culet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $3,590 USD|Low: $693 USD|High: $3,700 USD|Avg: $1,957 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
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 5$787 USD
Retailer 12$816 USD
Retailer 11$1,005 USD
Retailer 4$1,138 USD
Retailer 2$1,307 USD
Retailer 15$1,313 USD
Retailer 14$1,324 USD
Retailer 8$1,842 USD
Retailer 10$1,894 USD
Retailer 3$2,530 USD
Retailer 13$2,782 USD
Retailer 6$2,799 USD
Retailer 7$2,812 USD
Retailer 9$3,221 USD
Brilliant Earth$3,590 USD

43 data points across 15 retailers

15 retailers$787 USD to $3,590 USD

A
Cheapest Retailer
-
$787 USD
Final sale: no returns
Retailer 2
-
$816 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,005 USD
View
A
Retailer 4
-
$1,138 USD
View
A
Retailer 5
-
$1,307 USD
£1,029 GBP
View
A
Retailer 6
-
$1,313 USD
View
A
Retailer 7
-
$1,324 USD
View
B+
Retailer 8
-
$1,842 USD
A$2,834 AUD
View
B+
Retailer 9
-
$1,894 USD
ZAR 30,595 ZAR
View
B
Retailer 10
-
$2,530 USD
£1,992 GBP
View
B
Retailer 11
-
$2,782 USD
View
B
Retailer 12
-
$2,799 USD
View
B
Retailer 13
-
$2,812 USD
View
B
Retailer 14
-
$3,221 USD
£2,536 GBP
View
Most Expensive
B
Brilliant Earth
19068869A · Oct 29
$3,590 USD
View
14 more retailers have this diamond
Prices start from $787 USDSave up to $2,803 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
3.55ct Cushion
$787 USD