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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 HK$2,063 HKD
$263 USD
As of October 30, 2026
Save HK$19,355 HKD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$23,459 HKD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 12 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: HK$23,459 HKD|Low: HK$2,063 HKD|High: HK$26,283 HKD|Avg: HK$12,197 HKD|+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
October 30, 2026
Retailer 11HK$2,063 HKD
Retailer 16HK$2,393 HKD
Retailer 10HK$4,041 HKD
Retailer 14HK$4,268 HKD
Retailer 13HK$7,869 HKD
Retailer 15HK$9,093 HKD
Retailer 3HK$9,161 HKD
Retailer 7HK$9,498 HKD
Retailer 8HK$9,533 HKD
Retailer 4HK$9,571 HKD
Retailer 9HK$11,389 HKD
Retailer 5HK$14,405 HKD
Retailer 12HK$18,359 HKD
Retailer 6HK$20,125 HKD
Retailer 2HK$21,419 HKD
Rare CaratHK$23,459 HKD

29 data points across 16 retailers

12 retailersHK$2,063 HKD to HK$21,419 HKD

A
Cheapest Retailer
-
HK$2,063 HKD
$263 USD
A
Retailer 2
-
HK$2,393 HKD
$305 USD
View
A
Retailer 3
-
HK$4,041 HKD
$515 USD
View
A
Retailer 4
-
HK$4,268 HKD
$544 USD
View
B+
Retailer 5
-
HK$7,869 HKD
$1,003 USD
View
Retailer 6
-
HK$8,583 HKD
$1,094 USD
View
Price last confirmed 26 days ago
B+
Retailer 7
-
HK$9,093 HKD
$1,159 USD
View
B+
Retailer 8
-
HK$9,161 HKD
$1,168 USD
View
B+
Retailer 9
-
HK$11,389 HKD
£1,143 GBP
View
B
Retailer 10
-
HK$18,359 HKD
$2,340 USD
View
B
Retailer 11
-
HK$21,419 HKD
$2,730 USD
View
Most Expensive
Rare Carat
HL-180331 · Oct 18
HK$23,459 HKD
$2,990 USD
View
Price last confirmed 13 days ago
11 more retailers have this diamond
Prices start from HK$2,063 HKDSave up to HK$19,355 HKD

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
HK$2,063 HKD