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Radiant|Lab Grown|IGI

1.53ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG685553936

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

Certificate IGI LG685553936

Diamond specifications and retailer prices

From HK$1,332 HKD
As of November 6, 2026
Save HK$6,382 HKD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$7,714 HKD at MOH London · As of November 1, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685553936 or 685553936. Listed at 15 retailers as of November 1, 2026, with prices from HK$1,332 to HK$7,714, a HK$6,382 spread on the same certified stone. MOH London lists it at HK$7,714. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685553936
Dimensions8.29 × 5.61 × 3.78 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.29 mm5.61 mm1.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685553936
Side View
Table 62.0%Crown 43°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 67.4%

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 6
Current: HK$7,714 HKD|Low: HK$1,332 HKD|High: HK$10,737 HKD|Avg: HK$4,033 HKD
MOH London
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
November 7, 2026
Retailer 6HK$1,332 HKD
Retailer 5HK$1,544 HKD
Retailer 13HK$1,654 HKD
Retailer 3HK$1,904 HKD
Retailer 10HK$2,100 HKD
Retailer 9HK$2,853 HKD
Retailer 2HK$2,900 HKD
Retailer 4HK$2,955 HKD
Retailer 16HK$3,621 HKD
Retailer 14HK$3,699 HKD
Retailer 15HK$5,306 HKD
Retailer 12HK$5,604 HKD
Retailer 11HK$5,643 HKD
Retailer 7HK$6,019 HKD
MOH LondonHK$7,714 HKD
Retailer 8HK$10,737 HKD

12 data points across 16 retailers

15 retailersHK$1,332 HKD to HK$7,714 HKD

A
Cheapest Retailer
-
HK$1,332 HKD
A
Retailer 2
-
HK$1,544 HKD
View
A
Retailer 3
-
HK$1,654 HKD
View
A
Retailer 4
-
HK$1,904 HKD
View
A
Retailer 5
-
HK$2,100 HKD
View
A
Retailer 6
-
HK$2,853 HKD
View
A
Retailer 7
-
HK$2,900 HKD
View
B+
Retailer 8
-
HK$2,955 HKD
View
A
Retailer 9
-
HK$3,621 HKD
View
A
Retailer 10
-
HK$3,699 HKD
View
B+
Retailer 11
-
HK$5,306 HKD
View
B+
Retailer 12
-
HK$5,604 HKD
View
B+
Retailer 13
-
HK$5,643 HKD
View
B+
Retailer 14
-
HK$6,058 HKD
View
Most Expensive
B
MOH London
LG685553936 · Nov 1
HK$7,714 HKD
£775 GBP
View
14 more retailers have this diamond
Prices start from HK$1,332 HKDSave up to HK$6,382 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$1,332 HKD