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Radiant|Lab Grown|IGI

1.00ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG537252771

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

Certificate IGI LG537252771

Diamond specifications and retailer prices

From HK$4,473 HKD
£449 GBP
As of October 31, 2026
Save HK$391 HKD (8%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$4,864 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG537252771 or 537252771. Listed at 2 retailers as of October 31, 2026, with a relatively tight 9% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.00
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537252771
Dimensions7.36 × 4.90 × 3.20 mm
L/W Ratio1.50
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
7.36 mm4.90 mm1.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537252771
Side View
Table 67.5%Crown 40.5°Girdle: MediumPavilion 33.8°Culet: NoneDepth 65.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: HK$4,864 HKD|Low: HK$4,864 HKD|High: HK$4,864 HKD|Avg: HK$4,864 HKD
December 26, 2025
Brilliant EarthHK$4,864 HKD

2 data points across 1 retailer

2 retailersHK$4,473 HKD to HK$4,864 HKD

B
Cheapest Retailer
-
HK$4,473 HKD
£449 GBP
Most Expensive
B
Brilliant Earth
6444223B · Oct 31
HK$4,864 HKD
$620 USD
View
1 more retailer has this diamond
Prices start from HK$4,473 HKDSave up to HK$391 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.

B
1.00ct Radiant
HK$4,473 HKD