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Round|Lab Grown|IGI

1.00ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG840634995

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840634995

Diamond specifications and retailer prices

From $385 NZD
$217 USD
As of November 1, 2026
Save $2,819 NZD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,204 NZD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634995 or 840634995. Listed at 21 retailers as of November 1, 2026, with prices from $385 to $3,204, a $2,819 spread on the same certified stone. Helzberg Diamonds lists it at $3,204. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634995
Dimensions6.39 × 6.44 × 3.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.39 mm6.44 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634995
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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: Nov 1
Current: $3,204 NZD|Low: $385 NZD|High: $3,204 NZD|Avg: $1,210 NZD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 17
Retailer 18
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Retailer 21
November 1, 2026
Retailer 6$385 NZD
Retailer 3$431 NZD
Retailer 20$447 NZD
Retailer 11$477 NZD
Retailer 19$477 NZD
Retailer 13$771 NZD
Retailer 17$807 NZD
Retailer 4$820 NZD
Retailer 18$821 NZD
Retailer 7$832 NZD
Retailer 15$885 NZD
Retailer 10$892 NZD
Retailer 9$1,299 NZD
Retailer 12$1,537 NZD
Retailer 5$1,542 NZD
Retailer 8$1,630 NZD
Retailer 21$1,650 NZD
Retailer 14$1,757 NZD
Retailer 2$1,915 NZD
Retailer 16$2,200 NZD
Helzberg Diamonds$3,204 NZD

14 data points across 21 retailers

21 retailers$385 NZD to $3,204 NZD

A
Cheapest Retailer
-
$385 NZD
$217 USD
A
Retailer 2
-
$431 NZD
$243 USD
View
Final sale: no returns
A
Retailer 3
-
$447 NZD
$252 USD
View
A
Retailer 4
-
$477 NZD
$269 USD
View
A
Retailer 5
-
$477 NZD
$269 USD
View
A
Retailer 6
-
$771 NZD
£342 GBP
View
A
Retailer 7
-
$807 NZD
€433 EUR
View
A
Retailer 8
-
$820 NZD
$462 USD
View
A
Retailer 9
-
$821 NZD
ZAR 7,477 ZAR
View
A
Retailer 10
-
$832 NZD
$469 USD
View
A
Retailer 11
-
$885 NZD
£393 GBP
View
A
Retailer 12
-
$892 NZD
$503 USD
View
B+
Retailer 13
-
$1,299 NZD
SGD 989 SGD
View
B+
Retailer 14
-
$1,537 NZD
$866 USD
View
B+
Retailer 15
-
$1,542 NZD
$869 USD
View
B+
Retailer 16
-
$1,630 NZD
$919 USD
View
B+
Retailer 17
-
$1,650 NZD
$930 USD
View
B
Retailer 18
-
$1,757 NZD
$990 USD
View
Price last confirmed 7 days ago
B
Retailer 19
-
$1,915 NZD
£850 GBP
View
B
Retailer 20
-
$2,200 NZD
$1,240 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJKPPL · Nov 1
$3,204 NZD
$1,806 USD
View
20 more retailers have this diamond
Prices start from $385 NZDSave up to $2,819 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
1.00ct Round
$385 NZD