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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 €662 EUR
$740 USD
As of October 31, 2026
Save €1,738 EUR (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,401 EUR at MOH London · As of October 29, 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 10 retailers as of October 29, 2026, with prices from €662 to €2,401, a €1,738 spread on the same certified stone. MOH London lists it at €2,401. 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
Color
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: Oct 31
Current: €2,401 EUR|Low: €320 EUR|High: €2,417 EUR|Avg: €1,236 EUR|-0.7%
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
October 31, 2026
Retailer 3€320 EUR
Retailer 7€570 EUR
Retailer 10€572 EUR
Retailer 12€662 EUR
Retailer 2€876 EUR
Retailer 15€887 EUR
Retailer 9€894 EUR
Retailer 5€925 EUR
Retailer 11€1,476 EUR
Retailer 8€1,505 EUR
Retailer 4€1,722 EUR
Retailer 14€1,861 EUR
Retailer 6€1,945 EUR
Retailer 13€2,106 EUR
MOH London€2,401 EUR

23 data points across 15 retailers

10 retailers€662 EUR to €2,401 EUR

Retailer 1
-
€572 EUR
$639 USD
Price last confirmed 15 days ago
A
Retailer 2
-
€662 EUR
$740 USD
View
A
Retailer 3
-
€876 EUR
£771 GBP
View
B+
Retailer 4
-
€887 EUR
$991 USD
View
A
Retailer 5
-
€894 EUR
£787 GBP
View
B
Retailer 6
-
€1,476 EUR
$1,649 USD
View
B
Retailer 7
-
€1,505 EUR
$1,681 USD
View
B
Retailer 8
-
€1,861 EUR
$2,079 USD
View
B
Retailer 9
-
€2,106 EUR
$2,353 USD
View
Most Expensive
B
MOH London
LG622474286 · Oct 29
€2,401 EUR
£2,112 GBP
View
9 more retailers have this diamond
Prices start from €662 EURSave up to €1,738 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
€662 EUR