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Radiant|Lab Grown|IGI

1.01ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG512221595

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

Certificate IGI LG512221595

Diamond specifications and retailer prices

From HK$5,000 HKD
As of November 6, 2026
Save HK$4,467 HKD (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$16,302 HKD at NZ Jewellers · As of November 6, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512221595 or 512221595. Listed at 13 retailers as of November 6, 2026, with a 89% 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle31°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512221595
Dimensions6.60 × 5.29 × 3.31 mm
L/W Ratio1.25
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
6.60 mm5.29 mm1.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512221595
Side View
Table 69.0%Crown 34.4°Girdle: MediumPavilion 31°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$16,302 HKD|Low: HK$4,796 HKD|High: HK$24,719 HKD|Avg: HK$9,825 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7HK$5,000 HKD
Retailer 11HK$5,439 HKD
Retailer 3HK$5,596 HKD
Retailer 9HK$5,800 HKD
Retailer 8HK$6,975 HKD
Retailer 5HK$7,171 HKD
Retailer 2HK$9,170 HKD
Retailer 10HK$9,468 HKD
Retailer 6HK$14,813 HKD
NZ JewellersHK$16,302 HKD
Retailer 4HK$24,351 HKD

43 data points across 11 retailers

13 retailersHK$5,000 HKD to HK$9,468 HKD

B+
Cheapest Retailer
-
HK$5,000 HKD
B
Retailer 2
-
HK$5,439 HKD
View
B
Retailer 3
-
HK$5,596 HKD
View
Final sale: no returns
Retailer 4
-
HK$5,800 HKD
View
Price last confirmed 22 days ago
B
Retailer 5
-
HK$5,800 HKD
View
B
Retailer 6
-
HK$6,975 HKD
View
B
Retailer 7
-
HK$7,171 HKD
View
B
Retailer 8
-
HK$9,170 HKD
View
B
Retailer 9
-
HK$9,468 HKD
View
Retailer 10
-
HK$14,813 HKD
View
Price under review
Most Expensive
NZ Jewellers
d55dcdc9-aa00-4087-b55d-e7cf0ecb19d7 · Nov 6
HK$16,302 HKD
$2,080 USD
View
Price under review
10 more retailers have this diamond
Prices start from HK$5,000 HKDSave up to HK$4,467 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$5,000 HKD