Round|Lab Grown|IGI

3.51ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG617401790

Shape and cutting style on the report: Round brilliant

Certificate IGI LG617401790

Diamond specifications and retailer prices

From $1,212 USD
As of October 30, 2026
Save $2,972 USD (71%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,184 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG617401790 or 617401790. Listed at 4 retailers as of October 30, 2026, with prices from $1,212 to $4,184, a $2,972 spread on the same certified stone. The Diamond Guys lists it at $4,184. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617401790
Dimensions9.75 × 9.72 × 5.90 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.75 mm9.72 mm3.51 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617401790
Side View
Table 61.0%Crown 33.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $965 USD|Low: $965 USD|High: $6,580 USD|Avg: $2,574 USD|-6.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
The Diamond Guys
September 19, 2026
Retailer 1$965 USD
Retailer 4$965 USD
Retailer 3$1,212 USD
Retailer 2$1,412 USD
Retailer 7$2,044 USD
Retailer 5$2,372 USD
Retailer 6$3,388 USD
The Diamond Guys$4,184 USD
Retailer 8$6,580 USD

5 data points across 9 retailers

4 retailers$1,212 USD to $4,184 USD

A
Cheapest Retailer
-
$1,212 USD
Retailer 2
-
$2,044 USD
View
Price last confirmed 42 days ago
B
Retailer 3
-
$2,372 USD
CA$3,294 CAD
View
Most Expensive
B
The Diamond Guys
1977146849 · Oct 30
$4,184 USD
View
3 more retailers have this diamond
Prices start from $1,212 USDSave up to $2,972 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 Round
$1,212 USD