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Radiant|Lab Grown|IGI

1.69ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG631456300

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

Certificate IGI LG631456300

Diamond specifications and retailer prices

From HK$4,074 HKD
£409 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: HK$4,074 HKD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.69ct lab-grown radiant diamond

This 1.69ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG631456300 or 631456300. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.69
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631456300
Dimensions8.21 × 5.94 × 3.98 mm
L/W Ratio1.38
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
8.21 mm5.94 mm1.69 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631456300
Side View
Table 68.0%Crown 41.9°Girdle: Slightly ThickPavilion 35.1°CuletDepth 67.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: HK$4,074 HKD|Low: HK$4,074 HKD|High: HK$4,074 HKD|Avg: HK$4,074 HKD
September 26, 2026
Diamond QuarterHK$4,074 HKD

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
1.69SI1GLG000F16N · Nov 2
HK$4,074 HKD
£409 GBP
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B+
1.69ct Radiant
HK$4,074 HKD