CaratHunter
Plans
Radiant|Lab Grown|IGI

3.10ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG680591441

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

Certificate IGI LG680591441

Diamond specifications and retailer prices

From $1,903 CAD
£1,071 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,903 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 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG680591441 or 680591441. 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. 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

3.10
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680591441
Dimensions10.35 × 7.25 × 4.75 mm
L/W Ratio1.43
Top View
10.35 mm7.25 mm3.10 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680591441
Side View
Table 65.0%Crown 43.9°Girdle: MediumPavilion 34.8°CuletDepth 65.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,903 CAD|Low: $1,903 CAD|High: $1,903 CAD|Avg: $1,903 CAD
September 26, 2026
Diamond Quarter$1,903 CAD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
3.1SI1DLG41CB63N · Oct 29
$1,903 CAD
£1,071 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
3.10ct Radiant
$1,903 CAD