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0.62ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG301781296

Shape and cutting style on the report: Round brilliant

Certificate IGI LG301781296

Diamond specifications and retailer prices

From $456 NZD
€245 EUR
As of October 31, 2026
Save $253 NZD (36%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $710 NZD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 0.62ct lab-grown round diamond

This 0.62ct 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 LG301781296 or 301781296. Listed at 2 retailers as of October 31, 2026, with prices from $456 to $710, a $253 spread on the same certified stone. Brilliant Earth lists it at $710. 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

0.62
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG301781296
Dimensions5.49 × 5.54 × 3.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
5.49 mm5.54 mm0.62 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG301781296
Side View
Table 60.5%Crown 33.4°Girdle: THN-MEDPavilion 41.7°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $710 NZD|Low: $351 NZD|High: $727 NZD|Avg: $510 NZD|-2.4%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$351 NZD
Retailer 2$456 NZD
Brilliant Earth$710 NZD

7 data points across 3 retailers

2 retailers$456 NZD to $710 NZD

A
Cheapest Retailer
-
$456 NZD
€245 EUR
Most Expensive
B+
Brilliant Earth
16336179A · Nov 1
$710 NZD
$400 USD
View
1 more retailer has this diamond
Prices start from $456 NZDSave up to $253 NZD

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
0.62ct Round
$456 NZD