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Round|Lab Grown|IGI

3.10ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG629431039

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629431039

Diamond specifications and retailer prices

From €1,108 EUR
CA$1,719 CAD
As of October 30, 2026
Save €357 EUR (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,465 EUR at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.1ct lab-grown round diamond

This 3.1ct 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 LG629431039 or 629431039. Listed at 2 retailers as of October 30, 2026, with prices from €1,108 to €1,465, a €357 spread on the same certified stone. The Diamond Guys lists it at €1,465. 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

3.10
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629431039
Dimensions9.22 × 9.16 × 5.82 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
9.22 mm9.16 mm3.10 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629431039
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: €483 EUR|Low: €222 EUR|High: €2,694 EUR|Avg: €1,236 EUR|-38.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
August 9, 2026
Retailer 9€229 EUR
Retailer 1€483 EUR
Retailer 8€491 EUR
Retailer 5€600 EUR
Retailer 12€686 EUR
Retailer 2€736 EUR
Retailer 7€892 EUR
Retailer 10€940 EUR
Retailer 6€968 EUR
Retailer 13€1,108 EUR
The Diamond Guys€1,465 EUR
Retailer 4€1,682 EUR
Retailer 11€2,005 EUR
Retailer 3€2,300 EUR

63 data points across 14 retailers

2 retailers€1,108 EUR to €1,465 EUR

B+
Cheapest Retailer
-
€1,108 EUR
CA$1,719 CAD
Most Expensive
B
The Diamond Guys
1954434480 · Nov 1
€1,465 EUR
$1,637 USD
View
1 more retailer has this diamond
Prices start from €1,108 EURSave up to €357 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.

B+
3.10ct Round
€1,108 EUR