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Cushion|Lab Grown|IGI

3.51ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG576314054

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG576314054

Diamond specifications and retailer prices

From $778 USD
As of October 31, 2026
Save $2,762 USD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,344 USD at Ting Diamond · As of October 31, 2026
View at Ting Diamond

About this 3.51ct lab-grown cushion diamond

This 3.51ct 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 LG576314054 or 576314054. Listed at 16 retailers as of October 31, 2026, with a 355% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.51
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576314054
Dimensions7.93 × 9.50 × 5.37 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
7.93 mm9.50 mm3.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576314054
Side View
Table 60.0%Crown 37.1°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $1,282 USD|Low: $685 USD|High: $3,650 USD|Avg: $1,931 USD|+10.5%
Retailer 1
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
November 1, 2026
Retailer 5$778 USD
Retailer 13$807 USD
Retailer 11$995 USD
Retailer 4$1,128 USD
Retailer 1$1,282 USD
Retailer 2$1,287 USD
Retailer 15$1,311 USD
Retailer 8$1,822 USD
Retailer 10$1,873 USD
Retailer 3$2,515 USD
Retailer 14$2,752 USD
Retailer 6$2,775 USD
Retailer 7$2,782 USD
Retailer 9$3,185 USD
Retailer 12$3,540 USD

44 data points across 15 retailers

16 retailers$778 USD to $3,540 USD

A
Cheapest Retailer
-
$778 USD
Final sale: no returns
Retailer 2
-
$807 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$995 USD
View
A
Retailer 4
-
$1,128 USD
View
A
Retailer 5
-
$1,282 USD
£1,009 GBP
View
A
Retailer 6
-
$1,287 USD
View
A
Retailer 7
-
$1,311 USD
View
A
Retailer 8
-
$1,822 USD
A$2,803 AUD
View
B+
Retailer 9
-
$1,873 USD
ZAR 30,263 ZAR
View
B
Retailer 10
-
$2,515 USD
£1,980 GBP
View
B
Retailer 11
-
$2,752 USD
View
B
Retailer 12
-
$2,775 USD
View
B
Retailer 13
-
$2,782 USD
View
B
Retailer 14
-
$3,185 USD
£2,508 GBP
View
B
Retailer 15
-
$3,540 USD
View
Most Expensive
Ting Diamond
9165450 · Oct 31
$9,344 USD
HK$73,000 HKD
View
Price under review
15 more retailers have this diamond
Prices start from $778 USDSave up to $2,762 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
3.51ct Cushion
$778 USD