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Round|Lab Grown|IGI

1.01ct E I1 Round Lab Grown Diamond

ID • E/I1 • IGI LG620494057

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620494057

Diamond specifications and retailer prices

From $259 NZD
$146 USD
As of October 29, 2026
Save $830 NZD (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,089 NZD at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG620494057 or 620494057. Listed at 9 retailers as of October 29, 2026, with prices from $259 to $1,089, a $830 spread on the same certified stone. Friendly Diamonds lists it at $1,089. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620494057
Dimensions6.41 × 6.44 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.41 mm6.44 mm1.01 ctE / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620494057
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.1%

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 29
Current: $1,089 NZD|Low: $259 NZD|High: $1,089 NZD|Avg: $585 NZD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 3$259 NZD
Retailer 2$300 NZD
Retailer 9$321 NZD
Retailer 7$363 NZD
Retailer 4$563 NZD
Retailer 6$594 NZD
Retailer 5$754 NZD
Retailer 8$1,031 NZD
Friendly Diamonds$1,089 NZD

4 data points across 9 retailers

9 retailers$259 NZD to $1,089 NZD

A
Cheapest Retailer
-
$259 NZD
$146 USD
A
Retailer 2
-
$300 NZD
$169 USD
View
A
Retailer 3
-
$321 NZD
$181 USD
View
A
Retailer 4
-
$363 NZD
HK$1,600 HKD
View
B+
Retailer 5
-
$563 NZD
€302 EUR
View
B+
Retailer 6
-
$594 NZD
$335 USD
View
B+
Retailer 7
-
$754 NZD
$425 USD
View
B+
Retailer 8
-
$1,031 NZD
$581 USD
View
Most Expensive
Friendly Diamonds
6559770 · Oct 30
$1,089 NZD
$614 USD
View
8 more retailers have this diamond
Prices start from $259 NZDSave up to $830 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
1.01ct Round
$259 NZD