Round|Lab Grown|IGI

3.46ct I VS1 Round Lab Grown Diamond

VG • I/VS1 • IGI LG621488357

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621488357

Diamond specifications and retailer prices

From $554 USD
As of October 29, 2026
Save $2,010 USD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,564 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.46ct lab-grown round diamond

This 3.46ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG621488357 or 621488357. Listed at 12 retailers as of October 29, 2026, with prices from $554 to $2,564, a $2,010 spread on the same certified stone. MOH London lists it at $2,564. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.46
Carat
I
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621488357
Dimensions9.57 × 9.47 × 6.02 mm
L/W Ratio1.01
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
9.57 mm9.47 mm3.46 ctI / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621488357
Side View
Table 58.0%Crown 37°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
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: $2,564 USD|Low: $690 USD|High: $2,582 USD|Avg: $1,310 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5$695 USD
Retailer 3$766 USD
Retailer 2$819 USD
Retailer 8$868 USD
Retailer 9$869 USD
Retailer 10$1,034 USD
Retailer 4$1,327 USD
Retailer 7$1,488 USD
Retailer 6$1,970 USD
Retailer 11$2,108 USD
MOH London$2,564 USD

24 data points across 11 retailers

12 retailers$554 USD to $2,564 USD

A
Cheapest Retailer
-
$554 USD
A
Retailer 2
-
$695 USD
View
Retailer 3
-
$819 USD
£645 GBP
View
B+
Retailer 4
-
$868 USD
View
B+
Retailer 5
-
$869 USD
View
B+
Retailer 6
-
$1,034 USD
View
B+
Retailer 7
-
$1,327 USD
ZAR 21,431 ZAR
View
B
Retailer 8
-
$1,488 USD
View
B
Retailer 9
-
$1,607 USD
View
Retailer 10
-
$1,970 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$2,108 USD
View
Most Expensive
B
MOH London
LG621488357 · Oct 29
$2,564 USD
£2,019 GBP
View
11 more retailers have this diamond
Prices start from $554 USDSave up to $2,010 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
3.46ct Round
$554 USD