Radiant|Lab Grown|IGI

1.05ct E SI1 Radiant Lab Grown Diamond

GD • E/SI1 • IGI LG831615708

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

Certificate IGI LG831615708

Diamond specifications and retailer prices

From HK$1,106 HKD
$141 USD
As of October 27, 2026
Save HK$5,301 HKD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$6,407 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 LG831615708 or 831615708. Listed at 9 retailers as of October 26, 2026, with prices from HK$1,106 to HK$6,407, a HK$5,301 spread on the same certified stone. MOH London lists it at HK$6,407. 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 angle43.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831615708
Dimensions7.28 × 4.99 × 3.34 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.28 mm4.99 mm1.05 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831615708
Side View
Table 62.0%Crown 43.4°Girdle: MediumPavilion 35°Culet: NoneDepth 66.9%

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: Oct 27
Current: HK$6,407 HKD|Low: HK$1,059 HKD|High: HK$11,161 HKD|Avg: HK$3,603 HKD|-42.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 26, 2026
Retailer 5HK$1,106 HKD
Retailer 8HK$1,279 HKD
Retailer 3HK$1,783 HKD
Retailer 2HK$2,422 HKD
Retailer 9HK$3,892 HKD
Retailer 6HK$4,394 HKD
Retailer 7HK$4,639 HKD
Retailer 4HK$4,645 HKD
MOH LondonHK$6,407 HKD

25 data points across 9 retailers

9 retailersHK$1,106 HKD to HK$6,407 HKD

A
Cheapest Retailer
-
HK$1,106 HKD
$141 USD
B+
Retailer 2
-
HK$1,279 HKD
$163 USD
View
Retailer 3
-
HK$1,783 HKD
£179 GBP
View
Price last confirmed 13 days ago
B+
Retailer 4
-
HK$2,422 HKD
€294 EUR
View
B
Retailer 5
-
HK$3,892 HKD
$496 USD
View
B
Retailer 6
-
HK$4,394 HKD
$560 USD
View
Retailer 7
-
HK$4,639 HKD
SGD 799 SGD
View
Price last confirmed 17 days ago
B
Retailer 8
-
HK$4,645 HKD
$592 USD
View
Most Expensive
B
MOH London
LG831615708 · Oct 26
HK$6,407 HKD
£643 GBP
View
8 more retailers have this diamond
Prices start from HK$1,106 HKDSave up to HK$5,301 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
1.05ct Radiant
HK$1,106 HKD