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Radiant|Lab Grown|IGI

1.58ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG728538663

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

Certificate IGI LG728538663

Diamond specifications and retailer prices

From HK$2,377 HKD
$303 USD
As of November 2, 2026
Save HK$20,847 HKD (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: HK$23,224 HKD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.58ct lab-grown radiant diamond

This 1.58ct 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 LG728538663 or 728538663. Listed at 27 retailers as of November 1, 2026, with prices from HK$2,377 to HK$23,224, a HK$20,847 spread on the same certified stone. Brilliant Earth lists it at HK$23,224. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728538663
Dimensions8.11 × 5.77 × 3.94 mm
L/W Ratio1.41
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
8.11 mm5.77 mm1.58 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728538663
Side View
Table 63.0%Crown 43.1°Girdle: MediumPavilion 34°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 2
Current: HK$23,224 HKD|Low: HK$2,377 HKD|High: HK$23,224 HKD|Avg: HK$6,812 HKD
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
Retailer 18
Retailer 19
Retailer 20
November 3, 2026
Retailer 8HK$2,377 HKD
Retailer 2HK$2,644 HKD
Retailer 16HK$2,715 HKD
Retailer 7HK$2,942 HKD
Retailer 13HK$3,293 HKD
Retailer 4HK$3,570 HKD
Retailer 5HK$4,318 HKD
Retailer 12HK$4,566 HKD
Retailer 20HK$5,264 HKD
Retailer 18HK$5,604 HKD
Retailer 17HK$5,765 HKD
Retailer 14HK$7,036 HKD
Retailer 3HK$7,573 HKD
Retailer 10HK$9,046 HKD
Retailer 9HK$10,451 HKD
Retailer 15HK$11,298 HKD
Retailer 19HK$13,023 HKD
Retailer 11HK$13,520 HKD
Retailer 6HK$19,301 HKD
Brilliant EarthHK$23,224 HKD

28 data points across 20 retailers

27 retailersHK$2,377 HKD to HK$23,224 HKD

A+
Cheapest Retailer
-
HK$2,377 HKD
$303 USD
A
Retailer 2
-
HK$2,644 HKD
$337 USD
View
A
Retailer 3
-
HK$2,715 HKD
$346 USD
View
Final sale: no returns
A
Retailer 4
-
HK$2,942 HKD
$375 USD
View
A
Retailer 5
-
HK$3,293 HKD
£330 GBP
View
A
Retailer 6
-
HK$3,570 HKD
$455 USD
View
A
Retailer 7
-
HK$4,318 HKD
View
A
Retailer 8
-
HK$4,566 HKD
$582 USD
View
A
Retailer 9
-
HK$4,998 HKD
$637 USD
View
A
Retailer 10
-
HK$5,264 HKD
€639 EUR
View
A
Retailer 11
-
HK$5,604 HKD
ZAR 11,539 ZAR
View
Retailer 12
-
HK$5,754 HKD
£577 GBP
View
Price last confirmed 19 days ago
A
Retailer 13
-
HK$5,765 HKD
£579 GBP
View
A
Retailer 14
-
HK$6,724 HKD
$857 USD
View
A
Retailer 15
-
HK$7,036 HKD
$897 USD
View
A
Retailer 16
-
HK$7,573 HKD
A$1,485 AUD
View
B+
Retailer 17
-
HK$9,046 HKD
$1,153 USD
View
B+
Retailer 18
-
HK$10,451 HKD
$1,332 USD
View
B+
Retailer 19
-
HK$11,298 HKD
$1,440 USD
View
B+
Retailer 20
-
HK$11,314 HKD
$1,442 USD
View
B+
Retailer 21
-
HK$11,900 HKD
$1,517 USD
View
B+
Retailer 22
-
HK$12,454 HKD
SGD 2,145 SGD
View
B+
Retailer 23
-
HK$13,023 HKD
£1,307 GBP
View
Retailer 24
-
HK$13,520 HKD
A$2,651 AUD
View
Price last confirmed 26 days ago
B
Retailer 25
-
HK$19,301 HKD
$2,460 USD
View
B
Retailer 26
-
HK$21,106 HKD
$2,690 USD
View
Most Expensive
B
Brilliant Earth
16223268Y · Nov 1
HK$23,224 HKD
$2,960 USD
View
26 more retailers have this diamond
Prices start from HK$2,377 HKDSave up to HK$20,847 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+
1.58ct Radiant
HK$2,377 HKD