Radiant|Lab Grown|IGI

1.00ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG512227222

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

Certificate IGI LG512227222

Diamond specifications and retailer prices

From HK$5,665 HKD
$722 USD
As of October 30, 2026
Save HK$6,419 HKD (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$20,446 HKD at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512227222 or 512227222. Listed at 12 retailers as of October 29, 2026, with a 113% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.7°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512227222
Dimensions6.55 × 4.96 × 3.48 mm
L/W Ratio1.32
Culet sizeLong
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
6.55 mm4.96 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512227222
Side View
Table 66.0%Crown 39.7°Girdle: THK-VTKPavilion 31.9°Culet: LNGDepth 70.2%

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: Oct 30
Current: HK$20,446 HKD|Low: HK$5,437 HKD|High: HK$26,156 HKD|Avg: HK$11,550 HKD
Flawless Fine Jewelry
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
November 1, 2026
Retailer 9HK$5,665 HKD
Retailer 10HK$5,963 HKD
Retailer 14HK$6,167 HKD
Retailer 3HK$6,575 HKD
Retailer 11HK$6,575 HKD
Retailer 6HK$7,959 HKD
Retailer 4HK$7,963 HKD
Retailer 5HK$10,325 HKD
Retailer 13HK$10,662 HKD
Retailer 7HK$12,083 HKD
Retailer 8HK$16,194 HKD
Retailer 12HK$18,484 HKD
Flawless Fine JewelryHK$20,446 HKD
Retailer 2HK$25,817 HKD

22 data points across 14 retailers

12 retailersHK$5,665 HKD to HK$12,083 HKD

B+
Cheapest Retailer
-
HK$5,665 HKD
$722 USD
B
Retailer 2
-
HK$5,963 HKD
$760 USD
View
B
Retailer 3
-
HK$6,167 HKD
$786 USD
View
Retailer 4
-
HK$6,575 HKD
$838 USD
View
Price last confirmed 15 days ago
B
Retailer 5
-
HK$6,575 HKD
$838 USD
View
B
Retailer 6
-
HK$7,963 HKD
$1,015 USD
View
B
Retailer 7
-
HK$10,662 HKD
$1,359 USD
View
B
Retailer 8
-
HK$12,083 HKD
ZAR 24,881 ZAR
View
Retailer 9
-
HK$16,194 HKD
$2,064 USD
View
Price under review
Retailer 10
-
HK$18,484 HKD
$2,356 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
77780620A · Oct 31
HK$20,446 HKD
£2,052 GBP
View
Price under review
10 more retailers have this diamond
Prices start from HK$5,665 HKDSave up to HK$6,419 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+
1.00ct Radiant
HK$5,665 HKD