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Radiant|Lab Grown|IGI

1.53ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG630449047

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

Certificate IGI LG630449047

Diamond specifications and retailer prices

From HK$1,340 HKD
As of November 4, 2026
Save HK$7,359 HKD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$8,700 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG630449047 or 630449047. Listed at 16 retailers as of November 4, 2026, with prices from HK$1,340 to HK$8,700, a HK$7,359 spread on the same certified stone. Brilliant Earth lists it at HK$8,700. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630449047
Dimensions8.15 × 5.69 × 3.82 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.15 mm5.69 mm1.53 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630449047
Side View
Table 66.0%Crown 35°Girdle: MediumPavilion 35.3°Culet: NoneDepth 67.1%

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: Nov 4
Current: HK$8,700 HKD|Low: HK$1,340 HKD|High: HK$10,110 HKD|Avg: HK$4,156 HKD|-14.0%
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
November 5, 2026
Retailer 9HK$1,340 HKD
Retailer 4HK$1,560 HKD
Retailer 5HK$1,646 HKD
Retailer 13HK$1,669 HKD
Retailer 15HK$2,140 HKD
Retailer 2HK$2,939 HKD
Retailer 3HK$2,970 HKD
Retailer 12HK$2,994 HKD
Retailer 7HK$3,558 HKD
Retailer 6HK$4,303 HKD
Retailer 11HK$5,353 HKD
Retailer 8HK$5,643 HKD
Retailer 14HK$5,659 HKD
Retailer 10HK$7,790 HKD
Brilliant EarthHK$8,700 HKD

39 data points across 15 retailers

16 retailersHK$1,340 HKD to HK$8,700 HKD

A
Cheapest Retailer
-
HK$1,340 HKD
Retailer 2
-
HK$1,560 HKD
View
Price last confirmed 41 days ago
Retailer 3
-
HK$1,646 HKD
View
Price last confirmed 41 days ago
Retailer 4
-
HK$1,669 HKD
View
Price last confirmed 26 days ago
Retailer 5
-
HK$1,669 HKD
View
Price last confirmed 13 days ago
A
Retailer 6
-
HK$2,939 HKD
View
B+
Retailer 7
-
HK$2,970 HKD
View
A
Retailer 8
-
HK$2,994 HKD
View
A
Retailer 9
-
HK$3,558 HKD
View
B+
Retailer 10
-
HK$4,303 HKD
View
B+
Retailer 11
-
HK$5,353 HKD
View
B
Retailer 12
-
HK$5,643 HKD
View
B
Retailer 13
-
HK$5,659 HKD
View
B+
Retailer 14
-
HK$5,847 HKD
View
B
Retailer 15
-
HK$7,790 HKD
View
Most Expensive
B
Brilliant Earth
10975666A · Nov 4
HK$8,700 HKD
$1,110 USD
View
15 more retailers have this diamond
Prices start from HK$1,340 HKDSave up to HK$7,359 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$1,340 HKD