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Radiant|Lab Grown|IGI

1.01ct E SI2 Radiant Lab Grown Diamond

ID • E/SI2 • IGI LG474115733

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

Certificate IGI LG474115733

Diamond specifications and retailer prices

From HK$4,080 HKD
$520 USD
As of October 30, 2026
Save HK$10,215 HKD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$15,150 HKD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474115733 or 474115733. Listed at 12 retailers as of October 30, 2026, with a 250% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.2°
Pavilion angle29°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474115733
Dimensions6.34 × 4.88 × 3.34 mm
L/W Ratio1.30
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.34 mm4.88 mm1.01 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474115733
Side View
Table 67.0%Crown 50.2°Girdle: Slightly ThickPavilion 29°Culet: NoneDepth 68.4%

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$15,150 HKD|Low: HK$3,703 HKD|High: HK$25,309 HKD|Avg: HK$9,141 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5HK$4,080 HKD
Retailer 9HK$4,645 HKD
Retailer 4HK$5,194 HKD
Retailer 12HK$5,202 HKD
Retailer 3HK$5,759 HKD
Retailer 10HK$5,759 HKD
Retailer 6HK$7,717 HKD
Retailer 11HK$8,850 HKD
Retailer 2HK$8,933 HKD
Retailer 8HK$14,295 HKD
NZ JewellersHK$15,150 HKD
Retailer 7HK$25,040 HKD

43 data points across 12 retailers

12 retailersHK$4,080 HKD to HK$14,295 HKD

B+
Cheapest Retailer
-
HK$4,080 HKD
$520 USD
B+
Retailer 2
-
HK$4,645 HKD
$592 USD
View
B
Retailer 3
-
HK$5,194 HKD
$662 USD
View
Final sale: no returns
B
Retailer 4
-
HK$5,202 HKD
$663 USD
View
Retailer 5
-
HK$5,759 HKD
$734 USD
View
Price last confirmed 14 days ago
B
Retailer 6
-
HK$5,759 HKD
$734 USD
View
B
Retailer 7
-
HK$7,717 HKD
£774 GBP
View
B
Retailer 8
-
HK$8,850 HKD
$1,128 USD
View
B
Retailer 9
-
HK$8,933 HKD
£897 GBP
View
B
Retailer 10
-
HK$14,295 HKD
$1,822 USD
View
Most Expensive
NZ Jewellers
1702341b-a68a-4d66-bcf8-82f10271bea5 · Oct 28
HK$15,150 HKD
$1,931 USD
View
Price under review
10 more retailers have this diamond
Prices start from HK$4,080 HKDSave up to HK$10,215 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+
1.01ct Radiant
HK$4,080 HKD