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Round|Lab Grown|IGI

3.17ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG594337066

Shape and cutting style on the report: Round brilliant

Certificate IGI LG594337066

Diamond specifications and retailer prices

From €576 EUR
$644 USD
As of October 28, 2026
Save €1,348 EUR (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €1,924 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.17ct lab-grown round diamond

This 3.17ct 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 LG594337066 or 594337066. Listed at 4 retailers as of October 28, 2026, with prices from €576 to €1,924, a €1,348 spread on the same certified stone. Brilliant Earth lists it at €1,924. 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

3.17
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594337066
Dimensions9.39 × 9.30 × 5.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
9.39 mm9.30 mm3.17 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594337066
Side View
Table 57.0%Crown 35.4°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: €1,924 EUR|Low: €576 EUR|High: €1,924 EUR|Avg: €1,207 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 25, 2026
Retailer 3€576 EUR
Retailer 4€957 EUR
Retailer 2€1,535 EUR
Brilliant Earth€1,924 EUR

12 data points across 4 retailers

4 retailers€576 EUR to €1,924 EUR

B+
Cheapest Retailer
-
€576 EUR
$644 USD
B+
Retailer 2
-
€957 EUR
$1,069 USD
View
Retailer 3
-
€1,535 EUR
£1,350 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21020577Y · Oct 29
€1,924 EUR
$2,150 USD
View
3 more retailers have this diamond
Prices start from €576 EURSave up to €1,348 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+
3.17ct Round
€576 EUR