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Round|Lab Grown|IGI

1.45ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818659732

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818659732

Diamond specifications and retailer prices

From $536 NZD
$302 USD
As of October 29, 2026
Save $3,039 NZD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,575 NZD at Rare Carat · As of October 25, 2026
View at Rare Carat

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 LG818659732 or 818659732. Listed at 18 retailers as of October 25, 2026, with prices from $536 to $3,575, a $3,039 spread on the same certified stone. Rare Carat lists it at $3,575. 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 angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659732
Dimensions7.29 × 7.22 × 4.50 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
7.29 mm7.22 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659732
Side View
Table 56.0%Crown 35.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

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: $3,575 NZD|Low: $529 NZD|High: $4,081 NZD|Avg: $1,641 NZD|-1.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 6$536 NZD
Retailer 7$601 NZD
Retailer 3$665 NZD
Retailer 9$665 NZD
Retailer 15$940 NZD
Retailer 2$1,081 NZD
Retailer 4$1,088 NZD
Retailer 14$1,143 NZD
Retailer 11$1,178 NZD
Retailer 5$1,627 NZD
Retailer 16$1,781 NZD
Retailer 18$2,044 NZD
Retailer 17$2,126 NZD
Retailer 10$2,138 NZD
Retailer 8$2,223 NZD
Retailer 13$2,681 NZD
Retailer 12$3,549 NZD
Rare Carat$3,575 NZD

39 data points across 18 retailers

18 retailers$536 NZD to $3,575 NZD

A
Cheapest Retailer
-
$536 NZD
$302 USD
A
Retailer 2
-
$601 NZD
$339 USD
View
Final sale: no returns
A
Retailer 3
-
$665 NZD
$375 USD
View
A
Retailer 4
-
$665 NZD
$375 USD
View
A
Retailer 5
-
$940 NZD
$530 USD
View
A
Retailer 6
-
$1,081 NZD
€580 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
Most Expensive
B
Rare Carat
PD-211736 · Oct 25
$3,575 NZD
$2,015 USD
View
17 more retailers have this diamond
Prices start from $536 NZDSave up to $3,039 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
$536 NZD