CaratHunter
Plans
Round|Lab Grown|IGI

1.03ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG305803517

Shape and cutting style on the report: Round brilliant

Certificate IGI LG305803517

Diamond specifications and retailer prices

From $525 CAD
€358 EUR
As of October 31, 2026
1 retailer carries this diamond
Only listing: $525 CAD at Yorxs
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 Yorxs

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG305803517 or 305803517. Listed at a single retailer as of October 31, 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

1.03
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG305803517
Dimensions6.44 × 6.41 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANTThis Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
6.44 mm6.41 mm1.03 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG305803517
Side View
Table 59.5%Crown 35.6°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

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 31
Current: $430 CAD|Low: $430 CAD|High: $740 CAD|Avg: $564 CAD
Retailer 1
Retailer 2
Yorxs
October 31, 2026
Retailer 1$430 CAD
Yorxs$525 CAD
Retailer 2$740 CAD

11 data points across 3 retailers

1 retailer

B+
Yorxs
511553421 · Oct 31
$525 CAD
€358 EUR
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+
1.03ct Round
$525 CAD