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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 $1,030 AUD
$722 USD
As of October 30, 2026
Save $1,167 AUD (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,719 AUD at Flawless Fine Jewelry · As of November 2, 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: $3,719 AUD|Low: $989 AUD|High: $4,757 AUD|Avg: $2,101 AUD
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 9$1,030 AUD
Retailer 10$1,084 AUD
Retailer 14$1,122 AUD
Retailer 3$1,196 AUD
Retailer 11$1,196 AUD
Retailer 6$1,448 AUD
Retailer 4$1,448 AUD
Retailer 5$1,878 AUD
Retailer 13$1,939 AUD
Retailer 7$2,198 AUD
Retailer 8$2,945 AUD
Retailer 12$3,362 AUD
Flawless Fine Jewelry$3,719 AUD
Retailer 2$4,695 AUD

22 data points across 14 retailers

12 retailers$1,030 AUD to $2,198 AUD

B+
Cheapest Retailer
-
$1,030 AUD
$722 USD
B
Retailer 2
-
$1,084 AUD
$760 USD
View
B
Retailer 3
-
$1,122 AUD
$786 USD
View
Retailer 4
-
$1,196 AUD
$838 USD
View
Price last confirmed 16 days ago
B
Retailer 5
-
$1,196 AUD
$838 USD
View
B
Retailer 6
-
$1,448 AUD
$1,015 USD
View
B
Retailer 7
-
$1,939 AUD
$1,359 USD
View
B
Retailer 8
-
$2,198 AUD
ZAR 24,881 ZAR
View
Retailer 9
-
$2,945 AUD
$2,064 USD
View
Price under review
Retailer 10
-
$3,362 AUD
$2,356 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
77780620A · Nov 2
$3,719 AUD
£2,052 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,030 AUDSave up to $1,167 AUD

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
$1,030 AUD