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Radiant|Lab Grown|IGI

1.45ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG840634776

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

Certificate IGI LG840634776

Diamond specifications and retailer prices

From HK$2,385 HKD
$304 USD
As of October 30, 2026
Save HK$18,877 HKD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$23,576 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 LG840634776 or 840634776. Listed at 22 retailers as of October 30, 2026, with a 791% 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 angle46.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634776
Dimensions8.05 × 5.54 × 3.78 mm
L/W Ratio1.45
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
8.05 mm5.54 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634776
Side View
Table 64.0%Crown 46.9°Girdle: STK-THKPavilion 35°Culet: NoneDepth 68.2%

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 30
Current: HK$23,576 HKD|Low: HK$2,385 HKD|High: HK$25,655 HKD|Avg: HK$8,577 HKD
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 9HK$2,385 HKD
Retailer 21HK$2,770 HKD
Retailer 11HK$2,840 HKD
Retailer 8HK$2,958 HKD
Retailer 20HK$2,958 HKD
Retailer 13HK$3,141 HKD
Retailer 19HK$4,197 HKD
Retailer 3HK$4,841 HKD
Retailer 22HK$4,974 HKD
Retailer 18HK$5,089 HKD
Retailer 16HK$5,263 HKD
Retailer 10HK$5,462 HKD
Retailer 5HK$8,662 HKD
Retailer 4HK$9,101 HKD
Retailer 15HK$9,258 HKD
Retailer 7HK$9,517 HKD
Retailer 6HK$9,890 HKD
Retailer 14HK$10,857 HKD
Retailer 17HK$11,937 HKD
Retailer 12HK$21,136 HKD
Retailer 2HK$21,262 HKD
Rare CaratHK$23,576 HKD

15 data points across 22 retailers

22 retailersHK$2,385 HKD to HK$21,262 HKD

A
Cheapest Retailer
-
HK$2,385 HKD
$304 USD
A
Retailer 2
-
HK$2,770 HKD
$353 USD
View
A
Retailer 3
-
HK$2,840 HKD
$362 USD
View
Final sale: no returns
A
Retailer 4
-
HK$2,958 HKD
$377 USD
View
A
Retailer 5
-
HK$2,958 HKD
$377 USD
View
A
Retailer 6
-
HK$3,141 HKD
£315 GBP
View
A
Retailer 7
-
HK$4,197 HKD
$535 USD
View
A
Retailer 8
-
HK$4,841 HKD
$617 USD
View
A
Retailer 9
-
HK$4,974 HKD
$634 USD
View
A
Retailer 10
-
HK$5,089 HKD
ZAR 10,478 ZAR
View
A
Retailer 11
-
HK$5,263 HKD
£528 GBP
View
Retailer 12
-
HK$5,462 HKD
€663 EUR
View
Price last confirmed 8 days ago
B+
Retailer 13
-
HK$8,662 HKD
$1,104 USD
View
B+
Retailer 14
-
HK$9,101 HKD
$1,160 USD
View
B+
Retailer 15
-
HK$9,258 HKD
$1,180 USD
View
B+
Retailer 16
-
HK$9,517 HKD
$1,213 USD
View
B+
Retailer 17
-
HK$9,890 HKD
$1,261 USD
View
B+
Retailer 18
-
HK$10,857 HKD
SGD 1,870 SGD
View
B+
Retailer 19
-
HK$11,937 HKD
£1,198 GBP
View
B
Retailer 20
-
HK$21,136 HKD
$2,694 USD
View
B
Retailer 21
-
HK$21,262 HKD
$2,710 USD
View
Most Expensive
Rare Carat
AB-256970 · Oct 18
HK$23,576 HKD
$3,005 USD
View
Price last confirmed 13 days ago
21 more retailers have this diamond
Prices start from HK$2,385 HKDSave up to HK$18,877 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$2,385 HKD