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Radiant|Lab Grown|IGI

1.50ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG735583311

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

Certificate IGI LG735583311

Diamond specifications and retailer prices

From HK$2,001 HKD
$255 USD
As of October 30, 2026
Save HK$16,280 HKD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$18,280 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735583311 or 735583311. Listed at 16 retailers as of October 30, 2026, with prices from HK$2,001 to HK$18,280, a HK$16,280 spread on the same certified stone. Brilliant Earth lists it at HK$18,280. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735583311
Dimensions7.71 × 5.66 × 3.94 mm
L/W Ratio1.36
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
7.71 mm5.66 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735583311
Side View
Table 68.0%Crown 44.4°Girdle: MediumPavilion 40.4°Culet: NoneDepth 69.6%

Caratlytics Score

How it works →
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: Oct 30
Current: HK$18,280 HKD|Low: HK$1,718 HKD|High: HK$26,126 HKD|Avg: HK$8,728 HKD|-30.0%
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
October 31, 2026
Retailer 5HK$2,001 HKD
Retailer 6HK$2,244 HKD
Retailer 4HK$2,322 HKD
Retailer 13HK$3,201 HKD
Retailer 12HK$3,476 HKD
Retailer 9HK$3,491 HKD
Retailer 2HK$4,506 HKD
Retailer 11HK$6,370 HKD
Retailer 16HK$7,006 HKD
Retailer 14HK$8,304 HKD
Retailer 7HK$8,811 HKD
Retailer 8HK$9,595 HKD
Retailer 10HK$11,040 HKD
Retailer 15HK$16,829 HKD
Retailer 3HK$17,810 HKD
Brilliant EarthHK$18,280 HKD

35 data points across 16 retailers

16 retailersHK$2,001 HKD to HK$18,280 HKD

A
Cheapest Retailer
-
HK$2,001 HKD
$255 USD
A
Retailer 2
-
HK$2,244 HKD
$286 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,322 HKD
$296 USD
View
A
Retailer 4
-
HK$3,201 HKD
$408 USD
View
B+
Retailer 5
-
HK$3,476 HKD
$443 USD
View
A
Retailer 6
-
HK$3,491 HKD
$445 USD
View
Retailer 7
-
HK$4,506 HKD
€547 EUR
View
A
Retailer 8
-
HK$6,370 HKD
A$1,249 AUD
View
A
Retailer 9
-
HK$7,006 HKD
$893 USD
View
A
Retailer 10
-
HK$8,304 HKD
$1,058 USD
View
B+
Retailer 11
-
HK$8,811 HKD
$1,123 USD
View
B+
Retailer 12
-
HK$9,595 HKD
$1,223 USD
View
B+
Retailer 13
-
HK$11,040 HKD
£1,108 GBP
View
Retailer 14
-
HK$16,829 HKD
$2,145 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
HK$17,810 HKD
$2,270 USD
View
Most Expensive
B
Brilliant Earth
21405665Y · Oct 30
HK$18,280 HKD
$2,330 USD
View
15 more retailers have this diamond
Prices start from HK$2,001 HKDSave up to HK$16,280 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
1.50ct Radiant
HK$2,001 HKD