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Emerald|Lab Grown|IGI

3.51ct I VS2 Emerald Lab Grown Diamond

ID • I/VS2 • IGI LG476178021

Shape and cutting style on the report: Emerald cut

Certificate IGI LG476178021

Diamond specifications and retailer prices

From $2,728 USD
As of October 30, 2026
Save $7,015 USD (72%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,396 USD at Taylor and Hart · As of October 17, 2026
View at Taylor and Hart

About this 3.51ct lab-grown emerald diamond

This 3.51ct lab-grown emerald sits in the three to five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG476178021 or 476178021. Listed at 12 retailers as of October 29, 2026, with a 257% 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
I
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.4°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476178021
Dimensions10.08 × 7.24 × 4.87 mm
L/W Ratio1.39
Culet sizeLarge
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
10.08 mm7.24 mm3.51 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476178021
Side View
Table 63.0%Crown 22.4°Girdle: Slightly ThickPavilion 37.7°Culet: LargeDepth 67.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,743 USD|Low: $2,728 USD|High: $13,396 USD|Avg: $5,425 USD|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 29, 2026
Retailer 3$2,728 USD
Retailer 4$2,986 USD
Retailer 8$3,460 USD
Retailer 5$3,464 USD
Retailer 7$3,464 USD
Retailer 2$3,625 USD
Retailer 10$3,838 USD
Retailer 11$4,926 USD
Retailer 6$5,384 USD
Retailer 9$5,837 USD
Retailer 1$9,743 USD
Taylor and Hart$13,396 USD

14 data points across 12 retailers

12 retailers$2,728 USD to $9,743 USD

B
Cheapest Retailer
-
$2,728 USD
B+
Retailer 2
-
$2,986 USD
View
B
Retailer 3
-
$3,249 USD
View
B
Retailer 4
-
$3,460 USD
View
B
Retailer 5
-
$3,464 USD
View
Retailer 6
-
$3,464 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$3,838 USD
CA$5,331 CAD
View
B
Retailer 8
-
$4,778 USD
View
B
Retailer 9
-
$5,384 USD
View
B
Retailer 10
-
$5,837 USD
£4,596 GBP
View
B
Retailer 11
-
$9,743 USD
£7,672 GBP
View
Most Expensive
Taylor and Hart
ME4R8K0 · Oct 17
$13,396 USD
View
Price under review
11 more retailers have this diamond
Prices start from $2,728 USDSave up to $7,015 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.

B+
3.51ct Emerald
$2,728 USD