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Radiant|Lab Grown|IGI

1.16ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG623426606

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

Certificate IGI LG623426606

Diamond specifications and retailer prices

From HK$4,311 HKD
As of November 5, 2026
Save HK$1,097 HKD (20%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$5,408 HKD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.16ct lab-grown radiant diamond

This 1.16ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG623426606 or 623426606. Listed at 2 retailers as of November 5, 2026, with prices from HK$4,311 to HK$5,408, a HK$1,097 spread on the same certified stone. Brilliant Earth lists it at HK$5,408. 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

1.16
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.2°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623426606
Dimensions7.45 × 5.13 × 3.47 mm
L/W Ratio1.45
Culet sizePointed
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
7.45 mm5.13 mm1.16 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623426606
Side View
Table 67.0%Crown 48.2°Girdle: MediumPavilion 34°Culet: NoneDepth 67.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: HK$5,408 HKD|Low: HK$956 HKD|High: HK$9,797 HKD|Avg: HK$4,513 HKD|-5.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
June 13, 2026
Retailer 2HK$956 HKD
Retailer 12HK$1,803 HKD
Retailer 6HK$2,767 HKD
Retailer 13HK$2,986 HKD
Retailer 9HK$4,013 HKD
Retailer 10HK$4,115 HKD
Retailer 5HK$4,240 HKD
Retailer 11HK$4,381 HKD
Retailer 7HK$4,412 HKD
Retailer 8HK$4,420 HKD
Brilliant EarthHK$5,408 HKD
Retailer 3HK$6,395 HKD
Retailer 4HK$9,640 HKD

52 data points across 13 retailers

2 retailersHK$4,311 HKD to HK$5,408 HKD

B+
Cheapest Retailer
-
HK$4,311 HKD
Most Expensive
B
Brilliant Earth
10031847Y · Nov 6
HK$5,408 HKD
$690 USD
View
1 more retailer has this diamond
Prices start from HK$4,311 HKDSave up to HK$1,097 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+
1.16ct Radiant
HK$4,311 HKD