CaratHunter
Plans
Round|Lab Grown|IGI

0.61ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG301781309

Shape and cutting style on the report: Round brilliant

Certificate IGI LG301781309

Diamond specifications and retailer prices

From €228 EUR
As of October 31, 2026
Save €121 EUR (35%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €349 EUR at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 0.61ct lab-grown round diamond

This 0.61ct lab-grown round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG301781309 or 301781309. Listed at 2 retailers as of October 31, 2026, with prices from €228 to €349, a €121 spread on the same certified stone. Brilliant Earth lists it at €349. 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

0.61
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG301781309
Dimensions5.43 × 5.41 × 3.38 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
5.43 mm5.41 mm0.61 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG301781309
Side View
Table 57.5%Crown 36.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €349 EUR|Low: €175 EUR|High: €358 EUR|Avg: €253 EUR|-2.5%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3€175 EUR
Retailer 2€228 EUR
Brilliant Earth€349 EUR

6 data points across 3 retailers

2 retailers€228 EUR to €349 EUR

A
Cheapest Retailer
-
€228 EUR
Most Expensive
B+
Brilliant Earth
16335526A · Nov 1
€349 EUR
$390 USD
View
1 more retailer has this diamond
Prices start from €228 EURSave up to €121 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.

A
0.61ct Round
€228 EUR