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Radiant|Lab Grown|IGI

1.28ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG704537501

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

Certificate IGI LG704537501

Diamond specifications and retailer prices

From HK$23,459 HKD
$2,990 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: HK$23,459 HKD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG704537501 or 704537501. Listed at a single retailer as of November 4, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704537501
Dimensions7.72 × 5.38 × 3.56 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.72 mm5.38 mm1.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704537501
Side View
Table 61.0%Crown 42.1°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 66.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: HK$23,459 HKD|Low: HK$4,802 HKD|High: HK$29,029 HKD|Avg: HK$15,045 HKD|-19.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 4, 2026
Retailer 4HK$4,817 HKD
Retailer 5HK$7,618 HKD
Retailer 6HK$7,885 HKD
Retailer 3HK$12,844 HKD
Retailer 2HK$15,778 HKD
Retailer 7HK$17,167 HKD
Retailer 8HK$17,449 HKD
Brilliant EarthHK$23,459 HKD

41 data points across 8 retailers

1 retailer

B
Brilliant Earth
18984509B · Nov 4
HK$23,459 HKD
$2,990 USD
View

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B
1.28ct Radiant
HK$23,459 HKD