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Round|Lab Grown|IGI

3.11ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG792619889

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792619889

Diamond specifications and retailer prices

From €382 EUR
$427 USD
As of October 29, 2026
Save €1,515 EUR (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,898 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.11ct lab-grown round diamond

This 3.11ct 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 LG792619889 or 792619889. Listed at 17 retailers as of October 28, 2026, with prices from €382 to €1,898, a €1,515 spread on the same certified stone. Brilliant Earth lists it at €1,898. 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

3.11
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792619889
Dimensions9.39 × 9.43 × 5.73 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.39 mm9.43 mm3.11 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792619889
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.9%

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 29
Current: €1,898 EUR|Low: €382 EUR|High: €1,951 EUR|Avg: €1,062 EUR|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8€382 EUR
Retailer 5€604 EUR
Retailer 10€746 EUR
Retailer 9€747 EUR
Retailer 4€754 EUR
Retailer 3€779 EUR
Retailer 7€1,139 EUR
Retailer 6€1,611 EUR
Retailer 2€1,742 EUR
Brilliant Earth€1,898 EUR

42 data points across 10 retailers

17 retailers€382 EUR to €1,898 EUR

A
Cheapest Retailer
-
€382 EUR
$427 USD
A
Retailer 2
-
€428 EUR
$478 USD
View
Retailer 3
-
€474 EUR
$530 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€474 EUR
$530 USD
View
A
Retailer 5
-
€604 EUR
$675 USD
View
A
Retailer 6
-
€746 EUR
$833 USD
View
B+
Retailer 7
-
€747 EUR
$835 USD
View
A
Retailer 8
-
€754 EUR
View
A
Retailer 9
-
€779 EUR
£686 GBP
View
B+
Retailer 10
-
€934 EUR
$1,043 USD
View
B
Retailer 11
-
€1,139 EUR
$1,272 USD
View
Retailer 12
-
€1,223 EUR
$1,366 USD
View
Price last confirmed 46 days ago
B
Retailer 13
-
€1,523 EUR
$1,702 USD
View
B
Retailer 14
-
€1,553 EUR
$1,735 USD
View
Retailer 15
-
€1,611 EUR
$1,800 USD
View
Price last confirmed 14 days ago
B
Retailer 16
-
€1,742 EUR
£1,532 GBP
View
Most Expensive
B
Brilliant Earth
18909503A · Oct 28
€1,898 EUR
$2,120 USD
View
16 more retailers have this diamond
Prices start from €382 EURSave up to €1,515 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
3.11ct Round
€382 EUR