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Radiant|Lab Grown|IGI

1.00ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG725510975

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

Certificate IGI LG725510975

Diamond specifications and retailer prices

From HK$1,152 HKD
As of November 6, 2026
Save HK$5,527 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$6,679 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG725510975 or 725510975. Listed at 16 retailers as of November 4, 2026, with prices from HK$1,152 to HK$6,679, a HK$5,527 spread on the same certified stone. MOH London lists it at HK$6,679. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725510975
Dimensions7.66 × 4.81 × 3.04 mm
L/W Ratio1.59
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.66 mm4.81 mm1.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725510975
Side View
Table 59.0%Crown 39.5°Girdle: MED-STKPavilion 31.2°Culet: NoneDepth 63.2%

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$6,679 HKD|Low: HK$1,089 HKD|High: HK$6,897 HKD|Avg: HK$3,046 HKD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 15HK$1,152 HKD
Retailer 13HK$1,340 HKD
Retailer 4HK$1,434 HKD
Retailer 14HK$1,434 HKD
Retailer 2HK$1,842 HKD
Retailer 6HK$2,249 HKD
Retailer 9HK$2,445 HKD
Retailer 11HK$2,477 HKD
Retailer 7HK$2,641 HKD
Retailer 12HK$2,712 HKD
Retailer 10HK$3,699 HKD
Retailer 5HK$3,927 HKD
Retailer 3HK$4,601 HKD
Retailer 8HK$5,878 HKD
MOH LondonHK$6,679 HKD

40 data points across 15 retailers

16 retailersHK$1,152 HKD to HK$6,679 HKD

A
Cheapest Retailer
-
HK$1,152 HKD
A
Retailer 2
-
HK$1,340 HKD
View
Retailer 3
-
HK$1,434 HKD
View
Price last confirmed 13 days ago
A
Retailer 4
-
HK$1,434 HKD
View
A
Retailer 5
-
HK$1,842 HKD
View
B+
Retailer 6
-
HK$2,249 HKD
View
B+
Retailer 7
-
HK$2,445 HKD
View
A
Retailer 8
-
HK$2,477 HKD
View
B+
Retailer 9
-
HK$2,641 HKD
View
B+
Retailer 10
-
HK$2,712 HKD
View
Retailer 11
-
HK$3,566 HKD
View
Price last confirmed 40 days ago
B
Retailer 12
-
HK$3,699 HKD
View
B
Retailer 13
-
HK$3,927 HKD
View
B
Retailer 14
-
HK$4,601 HKD
View
B
Retailer 15
-
HK$5,878 HKD
View
Most Expensive
B
MOH London
LG725510975 · Nov 4
HK$6,679 HKD
£671 GBP
View
15 more retailers have this diamond
Prices start from HK$1,152 HKDSave up to HK$5,527 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$1,152 HKD