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1.73ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG483105518

Shape and cutting style on the report: Round brilliant

Certificate IGI LG483105518

Diamond specifications and retailer prices

From HK$4,150 HKD
$529 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: HK$4,150 HKD at B2C Jewels
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 B2C Jewels

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG483105518 or 483105518. Listed at a single retailer as of October 30, 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

1.73
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483105518
Dimensions7.64 × 7.69 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.64 mm7.69 mm1.73 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483105518
Side View
Table 56.5%Crown 35.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: HK$4,150 HKD|Low: HK$4,041 HKD|High: HK$4,754 HKD|Avg: HK$4,315 HKD|-12.7%
September 23, 2026
B2C JewelsHK$4,150 HKD

3 data points across 1 retailer

1 retailer

B+
B2C Jewels
19982518 · Oct 30
HK$4,150 HKD
$529 USD
View

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B+
1.73ct Round
HK$4,150 HKD