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Round|Lab Grown|IGI

1.45ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG836617709

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836617709

Diamond specifications and retailer prices

From $601 NZD
$339 USD
As of October 30, 2026
Save $3,824 NZD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,425 NZD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.45ct lab-grown round diamond

This 1.45ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836617709 or 836617709. Listed at 19 retailers as of October 30, 2026, with prices from $601 to $4,425, a $3,824 spread on the same certified stone. Helzberg Diamonds lists it at $4,425. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617709
Dimensions7.24 × 7.29 × 4.49 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
7.24 mm7.29 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617709
Side View
Table 55.0%Crown 34.6°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.8%

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 30
Current: $4,425 NZD|Low: $601 NZD|High: $4,425 NZD|Avg: $1,745 NZD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
Retailer 19
October 31, 2026
Retailer 9$601 NZD
Retailer 5$623 NZD
Retailer 6$665 NZD
Retailer 4$1,047 NZD
Retailer 13$1,077 NZD
Retailer 15$1,084 NZD
Retailer 7$1,088 NZD
Retailer 16$1,143 NZD
Retailer 2$1,178 NZD
Retailer 8$1,627 NZD
Retailer 18$1,781 NZD
Retailer 3$2,044 NZD
Retailer 19$2,126 NZD
Retailer 11$2,138 NZD
Retailer 10$2,223 NZD
Retailer 14$2,681 NZD
Retailer 12$3,549 NZD
Retailer 17$3,575 NZD
Helzberg Diamonds$4,425 NZD

27 data points across 19 retailers

19 retailers$601 NZD to $4,425 NZD

A
Cheapest Retailer
-
$601 NZD
$339 USD
Final sale: no returns
A
Retailer 2
-
$623 NZD
$351 USD
View
A
Retailer 3
-
$665 NZD
$375 USD
View
A
Retailer 4
-
$1,047 NZD
$590 USD
View
A
Retailer 5
-
$1,077 NZD
£478 GBP
View
A
Retailer 6
-
$1,084 NZD
€582 EUR
View
A
Retailer 7
-
$1,088 NZD
$613 USD
View
A
Retailer 8
-
$1,143 NZD
ZAR 10,409 ZAR
View
A
Retailer 9
-
$1,178 NZD
£523 GBP
View
A
Retailer 10
-
$1,627 NZD
$917 USD
View
B+
Retailer 11
-
$1,781 NZD
$1,004 USD
View
B+
Retailer 12
-
$2,044 NZD
$1,152 USD
View
B+
Retailer 13
-
$2,126 NZD
SGD 1,619 SGD
View
B+
Retailer 14
-
$2,138 NZD
$1,205 USD
View
B+
Retailer 15
-
$2,223 NZD
$1,253 USD
View
B+
Retailer 16
-
$2,681 NZD
£1,190 GBP
View
B+
Retailer 17
-
$3,549 NZD
$2,000 USD
View
B
Retailer 18
-
$3,575 NZD
$2,015 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHNNGP · Oct 31
$4,425 NZD
$2,494 USD
View
18 more retailers have this diamond
Prices start from $601 NZDSave up to $3,824 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
1.45ct Round
$601 NZD