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Radiant|Lab Grown|IGI

3.17ct I VS1 Radiant Lab Grown Diamond

EX • I/VS1 • IGI LG476178018

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG476178018

Diamond specifications and retailer prices

From €2,844 EUR
$3,177 USD
As of October 30, 2026
Save €5,563 EUR (66%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €8,406 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3.17ct lab-grown radiant diamond

This 3.17ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG476178018 or 476178018. Listed at 10 retailers as of October 29, 2026, with prices from €2,844 to €8,406, a €5,563 spread on the same certified stone. MOH London lists it at €8,406. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.17
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476178018
Dimensions9.37 × 7.79 × 5.22 mm
L/W Ratio1.20
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
9.37 mm7.79 mm3.17 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476178018
Side View
Table 66.0%Crown 39.6°Girdle: THN-MEDPavilion 36.2°Culet: NoneDepth 67.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: €8,406 EUR|Low: €2,730 EUR|High: €8,473 EUR|Avg: €4,517 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5€2,844 EUR
Retailer 12€2,979 EUR
Retailer 9€3,094 EUR
Retailer 6€3,299 EUR
Retailer 11€3,303 EUR
Retailer 4€3,442 EUR
Retailer 8€4,122 EUR
Retailer 3€4,250 EUR
Retailer 7€5,123 EUR
Retailer 10€5,702 EUR
Retailer 2€7,659 EUR
MOH London€8,406 EUR

18 data points across 12 retailers

10 retailers€2,844 EUR to €8,406 EUR

B+
Cheapest Retailer
-
€2,844 EUR
$3,177 USD
B
Retailer 2
-
€2,979 EUR
$3,328 USD
View
B
Retailer 3
-
€3,094 EUR
$3,457 USD
View
B
Retailer 4
-
€3,299 EUR
$3,686 USD
View
B
Retailer 5
-
€3,303 EUR
CA$5,125 CAD
View
B
Retailer 6
-
€4,122 EUR
$4,605 USD
View
B
Retailer 7
-
€5,123 EUR
$5,724 USD
View
B
Retailer 8
-
€5,702 EUR
£5,016 GBP
View
B
Retailer 9
-
€7,659 EUR
ZAR 138,225 ZAR
View
Most Expensive
B
MOH London
LG476178018 · Oct 29
€8,406 EUR
£7,395 GBP
View
9 more retailers have this diamond
Prices start from €2,844 EURSave up to €5,563 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 Radiant
€2,844 EUR