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Radiant|Lab Grown|IGI

1.53ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG519255515

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

Certificate IGI LG519255515

Diamond specifications and retailer prices

From HK$2,249 HKD
As of November 6, 2026
Save HK$6,938 HKD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$9,187 HKD at MOH London · As of November 2, 2026
View at MOH London

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 LG519255515 or 519255515. Listed at 11 retailers as of November 2, 2026, with prices from HK$2,249 to HK$9,187, a HK$6,938 spread on the same certified stone. MOH London lists it at HK$9,187. 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 angle43.2°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519255515
Dimensions8.09 × 5.59 × 3.79 mm
L/W Ratio1.45
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
8.09 mm5.59 mm1.53 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519255515
Side View
Table 65.0%Crown 43.2°Girdle: MED-STKPavilion 31.4°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
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 6
Current: HK$9,187 HKD|Low: HK$2,249 HKD|High: HK$10,113 HKD|Avg: HK$5,262 HKD|-9.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3HK$2,249 HKD
Retailer 11HK$2,492 HKD
Retailer 5HK$3,738 HKD
Retailer 10HK$3,801 HKD
Retailer 8HK$3,880 HKD
Retailer 2HK$4,287 HKD
Retailer 6HK$4,859 HKD
Retailer 4HK$5,996 HKD
Retailer 7HK$7,399 HKD
Retailer 9HK$7,775 HKD
MOH LondonHK$9,187 HKD

42 data points across 11 retailers

11 retailersHK$2,249 HKD to HK$9,187 HKD

A
Cheapest Retailer
-
HK$2,249 HKD
Final sale: no returns
Retailer 2
-
HK$2,461 HKD
View
Price last confirmed 43 days ago
A
Retailer 3
-
HK$3,738 HKD
View
B+
Retailer 4
-
HK$3,880 HKD
View
B+
Retailer 5
-
HK$4,287 HKD
View
B+
Retailer 6
-
HK$4,859 HKD
View
B+
Retailer 7
-
HK$5,996 HKD
View
B
Retailer 8
-
HK$7,257 HKD
View
B
Retailer 9
-
HK$7,399 HKD
View
B
Retailer 10
-
HK$7,775 HKD
View
Most Expensive
B
MOH London
LG519255515 · Nov 2
HK$9,187 HKD
£923 GBP
View
10 more retailers have this diamond
Prices start from HK$2,249 HKDSave up to HK$6,938 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$2,249 HKD