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Radiant|Lab Grown|IGI

1.05ct E SI1 Radiant Lab Grown Diamond

GD • E/SI1 • IGI LG597376840

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

Certificate IGI LG597376840

Diamond specifications and retailer prices

From HK$2,050 HKD
£206 GBP
As of October 30, 2026
Save HK$8,234 HKD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$10,284 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG597376840 or 597376840. Listed at 12 retailers as of October 26, 2026, with prices from HK$2,050 to HK$10,284, a HK$8,234 spread on the same certified stone. MOH London lists it at HK$10,284. 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

1.05
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597376840
Dimensions7.33 × 5.03 × 3.38 mm
L/W Ratio1.46
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
7.33 mm5.03 mm1.05 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597376840
Side View
Table 64.0%Crown 43.6°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$10,284 HKD|Low: HK$1,114 HKD|High: HK$10,393 HKD|Avg: HK$3,499 HKD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9HK$1,114 HKD
Retailer 2HK$2,050 HKD
Retailer 4HK$2,337 HKD
Retailer 7HK$2,346 HKD
Retailer 11HK$2,370 HKD
Retailer 6HK$2,414 HKD
Retailer 3HK$3,551 HKD
Retailer 10HK$3,774 HKD
Retailer 5HK$4,174 HKD
Retailer 8HK$4,629 HKD
MOH LondonHK$10,284 HKD

35 data points across 11 retailers

12 retailersHK$2,050 HKD to HK$10,284 HKD

Retailer 1
-
HK$1,153 HKD
$147 USD
Price last confirmed 32 days ago
Retailer 2
-
HK$1,216 HKD
$155 USD
View
Price last confirmed 32 days ago
B+
Retailer 3
-
HK$2,050 HKD
£206 GBP
View
B+
Retailer 4
-
HK$2,337 HKD
£235 GBP
View
B
Retailer 5
-
HK$2,346 HKD
$299 USD
View
B+
Retailer 6
-
HK$2,370 HKD
$302 USD
View
B+
Retailer 7
-
HK$2,414 HKD
€293 EUR
View
B+
Retailer 8
-
HK$3,774 HKD
$481 USD
View
B
Retailer 9
-
HK$4,174 HKD
$532 USD
View
B
Retailer 10
-
HK$4,505 HKD
£452 GBP
View
B
Retailer 11
-
HK$4,629 HKD
$590 USD
View
Most Expensive
B
MOH London
LG597376840 · Oct 26
HK$10,284 HKD
£1,032 GBP
View
11 more retailers have this diamond
Prices start from HK$2,050 HKDSave up to HK$8,234 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+
1.05ct Radiant
HK$2,050 HKD