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Radiant|Lab Grown|IGI

1.53ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG745507145

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

Certificate IGI LG745507145

Diamond specifications and retailer prices

From HK$2,032 HKD
$259 USD
As of October 30, 2026
Save HK$20,485 HKD (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$22,517 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG745507145 or 745507145. Listed at 17 retailers as of October 30, 2026, with prices from HK$2,032 to HK$22,517, a HK$20,485 spread on the same certified stone. Brilliant Earth lists it at HK$22,517. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745507145
Dimensions8.41 × 8.41 × 5.68 mm
L/W Ratio1.00
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
8.41 mm8.41 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745507145
Side View
Table 65.0%Crown 37.7°Girdle: MediumPavilion 35.4°Culet: NoneDepth 66.9%

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$22,517 HKD|Low: HK$1,789 HKD|High: HK$26,754 HKD|Avg: HK$9,167 HKD|-15.8%
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
Retailer 17
October 31, 2026
Retailer 11HK$2,032 HKD
Retailer 4HK$2,354 HKD
Retailer 9HK$2,511 HKD
Retailer 12HK$3,884 HKD
Retailer 6HK$4,158 HKD
Retailer 15HK$4,197 HKD
Retailer 2HK$4,646 HKD
Retailer 7HK$6,394 HKD
Retailer 10HK$6,466 HKD
Retailer 14HK$7,736 HKD
Retailer 3HK$8,098 HKD
Retailer 16HK$8,936 HKD
Retailer 17HK$11,160 HKD
Retailer 8HK$13,014 HKD
Retailer 13HK$18,045 HKD
Retailer 5HK$19,653 HKD
Brilliant EarthHK$22,517 HKD

35 data points across 17 retailers

17 retailersHK$2,032 HKD to HK$22,517 HKD

A
Cheapest Retailer
-
HK$2,032 HKD
$259 USD
A
Retailer 2
-
HK$2,354 HKD
$300 USD
View
A
Retailer 3
-
HK$2,511 HKD
$320 USD
View
Final sale: no returns
A
Retailer 4
-
HK$3,884 HKD
$495 USD
View
A
Retailer 5
-
HK$4,158 HKD
$530 USD
View
A
Retailer 6
-
HK$4,197 HKD
$535 USD
View
A
Retailer 7
-
HK$4,646 HKD
€564 EUR
View
A
Retailer 8
-
HK$6,394 HKD
$815 USD
View
A
Retailer 9
-
HK$6,466 HKD
A$1,268 AUD
View
A
Retailer 10
-
HK$7,736 HKD
$986 USD
View
A
Retailer 11
-
HK$8,098 HKD
$1,032 USD
View
B+
Retailer 12
-
HK$8,936 HKD
$1,139 USD
View
B+
Retailer 13
-
HK$11,160 HKD
£1,120 GBP
View
Retailer 14
-
HK$13,014 HKD
A$2,552 AUD
View
Price last confirmed 23 days ago
B
Retailer 15
-
HK$18,045 HKD
$2,300 USD
View
B
Retailer 16
-
HK$19,653 HKD
$2,505 USD
View
Most Expensive
B
Brilliant Earth
16357045Y · Oct 30
HK$22,517 HKD
$2,870 USD
View
16 more retailers have this diamond
Prices start from HK$2,032 HKDSave up to HK$20,485 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
1.53ct Radiant
HK$2,032 HKD