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Radiant|Lab Grown|IGI

1.00ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG842612921

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

Certificate IGI LG842612921

Diamond specifications and retailer prices

From HK$1,842 HKD
As of November 6, 2026
Save HK$4,489 HKD (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$6,330 HKD at MOH London · As of November 4, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG842612921 or 842612921. Listed at 8 retailers as of November 4, 2026, with prices from HK$1,842 to HK$6,330, a HK$4,489 spread on the same certified stone. MOH London lists it at HK$6,330. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842612921
Dimensions6.93 × 4.91 × 3.38 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.93 mm4.91 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842612921
Side View
Table 69.0%Crown 46.9°Girdle: MED-STKPavilion 36°Culet: NoneDepth 68.8%

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$6,330 HKD|Low: HK$1,842 HKD|High: HK$6,380 HKD|Avg: HK$3,172 HKD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7HK$1,842 HKD
Retailer 2HK$2,296 HKD
Retailer 3HK$2,375 HKD
Retailer 6HK$2,453 HKD
Retailer 4HK$2,579 HKD
Retailer 5HK$4,796 HKD
MOH LondonHK$6,330 HKD

24 data points across 7 retailers

8 retailersHK$1,842 HKD to HK$6,330 HKD

B+
Cheapest Retailer
-
HK$1,842 HKD
A
Retailer 2
-
HK$2,296 HKD
View
A
Retailer 3
-
HK$2,375 HKD
View
A
Retailer 4
-
HK$2,453 HKD
View
A
Retailer 5
-
HK$2,579 HKD
View
B
Retailer 6
-
HK$4,796 HKD
View
B
Retailer 7
-
HK$5,721 HKD
View
Most Expensive
B
MOH London
LG842612921 · Nov 4
HK$6,330 HKD
£636 GBP
View
7 more retailers have this diamond
Prices start from HK$1,842 HKDSave up to HK$4,489 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$1,842 HKD