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Round|Lab Grown|IGI

17.10ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG29781036

Certificate IGI LG29781036

Diamond specifications and retailer prices

From €7,671 EUR
CA$11,903 CAD
As of October 30, 2026
Save €9,669 EUR (56%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €17,340 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 17.1ct lab-grown round diamond

This 17.1ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG29781036 or 29781036. Listed at 2 retailers as of October 30, 2026, with prices from €7,671 to €17,340, a €9,669 spread on the same certified stone. Blue Nile lists it at €17,340. 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

17.10
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG29781036
Dimensions16.69 × 16.76 × 10.11 mm
L/W Ratio1.00
Top View
16.69 mm16.76 mm17.10 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG29781036
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €17,340 EUR|Low: €5,237 EUR|High: €17,340 EUR|Avg: €8,514 EUR|+48.5%
Blue Nile
Retailer 2
Retailer 3
October 3, 2026
Retailer 2€5,256 EUR
Retailer 3€7,671 EUR
Blue Nile€17,340 EUR

6 data points across 3 retailers

2 retailers€7,671 EUR to €17,340 EUR

B+
Cheapest Retailer
-
€7,671 EUR
CA$11,903 CAD
Most Expensive
B
Blue Nile
22472265 · Oct 31
€17,340 EUR
$19,372 USD
View
1 more retailer has this diamond
Prices start from €7,671 EURSave up to €9,669 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+
17.10ct Round
€7,671 EUR