Radiant|Lab Grown|IGI

1.53ct H IF Radiant Lab Grown Diamond

ID • H/IF • IGI LG644486939

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

Certificate IGI LG644486939

Diamond specifications and retailer prices

From HK$2,032 HKD
As of November 4, 2026
Save HK$15,150 HKD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$17,182 HKD at Brilliant Earth · As of November 4, 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 H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG644486939 or 644486939. Listed at 25 retailers as of November 4, 2026, with prices from HK$2,032 to HK$17,182, a HK$15,150 spread on the same certified stone. Brilliant Earth lists it at HK$17,182. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
H
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644486939
Dimensions8.41 × 5.64 × 3.68 mm
L/W Ratio1.49
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 Faint Blue
Top View
8.41 mm5.64 mm1.53 ctH / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644486939
Side View
Table 65.0%Crown 41.8°Girdle: MED-STKPavilion 32.7°Culet: NoneDepth 65.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$17,182 HKD|Low: HK$2,032 HKD|High: HK$17,182 HKD|Avg: HK$6,556 HKD|+0.5%
Brilliant Earth
Retailer 2
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Retailer 11
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
Retailer 23
November 5, 2026
Retailer 19HK$2,032 HKD
Retailer 4HK$2,354 HKD
Retailer 12HK$2,479 HKD
Retailer 8HK$2,722 HKD
Retailer 9HK$2,722 HKD
Retailer 17HK$2,722 HKD
Retailer 18HK$2,809 HKD
Retailer 23HK$3,389 HKD
Retailer 13HK$3,766 HKD
Retailer 6HK$4,692 HKD
Retailer 10HK$4,778 HKD
Retailer 11HK$4,817 HKD
Retailer 7HK$4,841 HKD
Retailer 5HK$6,379 HKD
Retailer 22HK$7,744 HKD
Retailer 20HK$8,097 HKD
Retailer 3HK$8,120 HKD
Retailer 21HK$8,497 HKD
Retailer 2HK$10,066 HKD
Retailer 16HK$10,396 HKD
Retailer 15HK$11,423 HKD
Retailer 14HK$11,769 HKD
Brilliant EarthHK$17,182 HKD

27 data points across 23 retailers

25 retailersHK$2,032 HKD to HK$17,182 HKD

A
Cheapest Retailer
-
HK$2,032 HKD
A
Retailer 2
-
HK$2,354 HKD
View
A
Retailer 3
-
HK$2,479 HKD
View
Final sale: no returns
Retailer 4
-
HK$2,722 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$2,722 HKD
View
A
Retailer 6
-
HK$2,722 HKD
View
A
Retailer 7
-
HK$2,809 HKD
View
B+
Retailer 8
-
HK$3,389 HKD
View
A
Retailer 9
-
HK$3,766 HKD
View
B+
Retailer 10
-
HK$4,692 HKD
View
A
Retailer 11
-
HK$4,778 HKD
View
A
Retailer 12
-
HK$4,817 HKD
View
B+
Retailer 13
-
HK$4,841 HKD
View
A
Retailer 14
-
HK$6,379 HKD
View
B+
Retailer 15
-
HK$7,744 HKD
View
B+
Retailer 16
-
HK$8,097 HKD
View
B+
Retailer 17
-
HK$8,120 HKD
View
B+
Retailer 18
-
HK$8,497 HKD
View
B+
Retailer 19
-
HK$10,066 HKD
View
Retailer 20
-
HK$10,396 HKD
View
Price last confirmed 23 days ago
Retailer 21
-
HK$11,423 HKD
View
Price last confirmed 22 days ago
Retailer 22
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HK$11,769 HKD
View
Price last confirmed 18 days ago
Retailer 23
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HK$11,973 HKD
View
Price last confirmed 66 days ago
B+
Retailer 24
-
HK$14,358 HKD
View
Most Expensive
B+
Brilliant Earth
19983871A · Nov 4
HK$17,182 HKD
$2,190 USD
View
24 more retailers have this diamond
Prices start from HK$2,032 HKDSave up to HK$15,150 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