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Radiant|Lab Grown|IGI

1.45ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG790606540

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG790606540

Diamond specifications and retailer prices

From $467 NZD
$263 USD
As of October 30, 2026
Save $4,377 NZD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,944 NZD at Brilliant Earth · As of September 19, 2026
View at Brilliant Earth

About this 1.45ct lab-grown radiant diamond

This 1.45ct lab-grown radiant 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 LG790606540 or 790606540. Listed at 13 retailers as of October 30, 2026, with a 938% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle39.8°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790606540
Dimensions7.80 × 5.64 × 3.87 mm
L/W Ratio1.38
Culet sizePointed
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
7.80 mm5.64 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790606540
Side View
Table 60.0%Crown 39.8°Girdle: MediumPavilion 36.5°Culet: NoneDepth 68.6%

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: $4,844 NZD|Low: $467 NZD|High: $5,944 NZD|Avg: $2,758 NZD|-18.5%
Brilliant Earth
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
October 30, 2026
Retailer 10$467 NZD
Retailer 15$541 NZD
Retailer 9$914 NZD
Retailer 13$965 NZD
Retailer 12$1,780 NZD
Retailer 14$2,056 NZD
Retailer 3$2,072 NZD
Retailer 7$2,148 NZD
Retailer 8$2,156 NZD
Retailer 4$2,164 NZD
Retailer 2$2,576 NZD
Retailer 5$3,258 NZD
Retailer 11$4,152 NZD
Retailer 6$4,551 NZD
Brilliant Earth$4,844 NZD
Retailer 16$5,305 NZD

29 data points across 16 retailers

13 retailers$467 NZD to $4,844 NZD

A
Cheapest Retailer
-
$467 NZD
$263 USD
A
Retailer 2
-
$541 NZD
$305 USD
View
A
Retailer 3
-
$914 NZD
$515 USD
View
A
Retailer 4
-
$965 NZD
$544 USD
View
B+
Retailer 5
-
$1,780 NZD
$1,003 USD
View
Retailer 6
-
$1,941 NZD
$1,094 USD
View
Price last confirmed 26 days ago
B+
Retailer 7
-
$2,056 NZD
$1,159 USD
View
B+
Retailer 8
-
$2,072 NZD
$1,168 USD
View
B+
Retailer 9
-
$2,576 NZD
£1,143 GBP
View
B
Retailer 10
-
$4,152 NZD
$2,340 USD
View
B
Retailer 11
-
$4,844 NZD
$2,730 USD
View
Retailer 12
-
$5,305 NZD
$2,990 USD
View
Price last confirmed 13 days ago
Most Expensive
Brilliant Earth
20712956Y · Sep 19
$5,944 NZD
$3,350 USD
View
Price last confirmed 42 days ago
12 more retailers have this diamond
Prices start from $467 NZDSave up to $4,377 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 Radiant
$467 NZD