Radiant|Lab Grown|IGI

3.11ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG510173977

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

Certificate IGI LG510173977

Diamond specifications and retailer prices

From $2,247 CAD
£1,267 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $2,247 CAD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG510173977 or 510173977. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.11
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510173977
Dimensions9.86 × 7.25 × 5.06 mm
L/W Ratio1.36
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
9.86 mm7.25 mm3.11 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510173977
Side View
Table 66.5%Crown 41.8°Girdle: MED-STKPavilion 35.6°CuletDepth 69.8%

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 29
Current: $2,247 CAD|Low: $2,247 CAD|High: $2,247 CAD|Avg: $2,247 CAD
September 26, 2026
Diamond Quarter$2,247 CAD

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
3.11VS1HLG77F2A0N · Oct 29
$2,247 CAD
£1,267 GBP
View

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+
3.11ct Radiant
$2,247 CAD