Round|Lab Grown|IGI

1.03ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • IGI LG301781213

Shape and cutting style on the report: Round brilliant

Certificate IGI LG301781213

Diamond specifications and retailer prices

From €336 EUR
As of October 31, 2026
1 retailer carries this diamond
Only listing: €336 EUR 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG301781213 or 301781213. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG301781213
Dimensions6.43 × 6.47 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANTThis Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
6.43 mm6.47 mm1.03 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG301781213
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.0%

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 31
Current: €276 EUR|Low: €276 EUR|High: €680 EUR|Avg: €430 EUR
Retailer 1
Retailer 2
Yorxs
October 31, 2026
Retailer 1€276 EUR
Yorxs€336 EUR
Retailer 2€680 EUR

11 data points across 3 retailers

1 retailer

B+
Yorxs
511553423 · Oct 31
€336 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
€336 EUR