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Round|Lab Grown|IGI

3.51ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG622474286

Shape and cutting style on the report: Round brilliant

Certificate IGI LG622474286

Diamond specifications and retailer prices

From €461 EUR
$515 USD
As of November 1, 2026
Save €1,927 EUR (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,388 EUR at MOH London · As of November 1, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG622474286 or 622474286. Listed at 11 retailers as of November 1, 2026, with prices from €461 to €2,388, a €1,927 spread on the same certified stone. MOH London lists it at €2,388. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.51
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622474286
Dimensions9.80 × 9.76 × 5.83 mm
L/W Ratio1.00
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
9.80 mm9.76 mm3.51 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622474286
Side View
Table 62.0%Crown 35.4°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.7%

Caratlytics Score

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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: Nov 1
Current: €2,388 EUR|Low: €320 EUR|High: €2,417 EUR|Avg: €1,234 EUR|-1.2%
MOH London
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
Retailer 16
November 1, 2026
Retailer 4€320 EUR
Retailer 2€461 EUR
Retailer 8€570 EUR
Retailer 12€572 EUR
Retailer 14€662 EUR
Retailer 10€883 EUR
Retailer 3€887 EUR
Retailer 9€891 EUR
Retailer 6€925 EUR
Retailer 13€1,476 EUR
Retailer 11€1,505 EUR
Retailer 5€1,722 EUR
Retailer 16€1,861 EUR
Retailer 7€1,945 EUR
Retailer 15€2,106 EUR
MOH London€2,388 EUR

24 data points across 16 retailers

11 retailers€461 EUR to €2,388 EUR

A
Cheapest Retailer
-
€461 EUR
$515 USD
Retailer 2
-
€572 EUR
$639 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
€662 EUR
$740 USD
View
A
Retailer 4
-
€883 EUR
£777 GBP
View
B+
Retailer 5
-
€887 EUR
$991 USD
View
A
Retailer 6
-
€891 EUR
£784 GBP
View
B
Retailer 7
-
€1,476 EUR
$1,649 USD
View
B
Retailer 8
-
€1,505 EUR
$1,681 USD
View
B
Retailer 9
-
€1,861 EUR
$2,079 USD
View
B
Retailer 10
-
€2,106 EUR
$2,353 USD
View
Most Expensive
B
MOH London
LG622474286 · Nov 1
€2,388 EUR
£2,101 GBP
View
10 more retailers have this diamond
Prices start from €461 EURSave up to €1,927 EUR

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
€461 EUR