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Radiant|Lab Grown|IGI

1.00ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG826692423

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

Certificate IGI LG826692423

Diamond specifications and retailer prices

From HK$1,035 HKD
As of November 6, 2026
Save HK$9,665 HKD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$10,700 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct 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 LG826692423 or 826692423. Listed at 9 retailers as of November 5, 2026, with prices from HK$1,035 to HK$10,700, a HK$9,665 spread on the same certified stone. MOH London lists it at HK$10,700. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826692423
Dimensions7.08 × 4.98 × 3.28 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.08 mm4.98 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826692423
Side View
Table 65.0%Crown 41.4°Girdle: MediumPavilion 34.9°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$10,700 HKD|Low: HK$1,019 HKD|High: HK$11,108 HKD|Avg: HK$4,211 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3HK$1,035 HKD
Retailer 6HK$1,199 HKD
Retailer 2HK$1,654 HKD
Retailer 7HK$2,320 HKD
Retailer 4HK$4,130 HKD
Retailer 8HK$4,311 HKD
Retailer 5HK$4,365 HKD
Retailer 9HK$4,436 HKD
MOH LondonHK$10,700 HKD

28 data points across 9 retailers

9 retailersHK$1,035 HKD to HK$10,700 HKD

A
Cheapest Retailer
-
HK$1,035 HKD
A
Retailer 2
-
HK$1,199 HKD
View
A
Retailer 3
-
HK$1,654 HKD
View
A
Retailer 4
-
HK$2,320 HKD
View
B+
Retailer 5
-
HK$4,130 HKD
View
B+
Retailer 6
-
HK$4,311 HKD
View
B+
Retailer 7
-
HK$4,365 HKD
View
Retailer 8
-
HK$4,436 HKD
View
Price last confirmed 26 days ago
Most Expensive
B
MOH London
LG826692423 · Nov 5
HK$10,700 HKD
£1,075 GBP
View
8 more retailers have this diamond
Prices start from HK$1,035 HKDSave up to HK$9,665 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
1.00ct Radiant
HK$1,035 HKD