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Radiant|Lab Grown|IGI

1.00ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG512224128

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

Certificate IGI LG512224128

Diamond specifications and retailer prices

From $1,030 AUD
$722 USD
As of November 2, 2026
Save $1,167 AUD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,743 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG512224128 or 512224128. Listed at 15 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
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512224128
Dimensions6.67 × 4.98 × 3.49 mm
L/W Ratio1.34
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
6.67 mm4.98 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512224128
Side View
Table 68.0%Crown 41.5°Girdle: THK-VTKPavilion 33.6°Culet: NoneDepth 70.1%

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 2
Current: $4,695 AUD|Low: $989 AUD|High: $4,757 AUD|Avg: $2,378 AUD|-1.1%
Retailer 1
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
Retailer 15
Reve Diamonds
November 1, 2026
Retailer 11$1,030 AUD
Retailer 12$1,084 AUD
Retailer 2$1,122 AUD
Retailer 3$1,153 AUD
Retailer 13$1,196 AUD
Retailer 5$1,448 AUD
Retailer 6$1,878 AUD
Retailer 15$1,939 AUD
Retailer 9$2,198 AUD
Retailer 10$2,945 AUD
Retailer 8$3,115 AUD
Retailer 14$3,362 AUD
Retailer 7$3,423 AUD
Retailer 4$3,719 AUD
Reve Diamonds$3,743 AUD
Retailer 1$4,695 AUD

23 data points across 16 retailers

15 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
B
Retailer 4
-
$1,153 AUD
$808 USD
View
Final sale: no returns
B
Retailer 5
-
$1,196 AUD
$838 USD
View
Retailer 6
-
$1,196 AUD
$838 USD
View
Price last confirmed 16 days ago
B
Retailer 7
-
$1,448 AUD
$1,015 USD
View
B
Retailer 8
-
$1,939 AUD
$1,359 USD
View
B
Retailer 9
-
$2,198 AUD
ZAR 24,881 ZAR
View
Retailer 10
-
$2,945 AUD
$2,064 USD
View
Price under review
Retailer 11
-
$3,115 AUD
View
Price under review
Retailer 12
-
$3,362 AUD
$2,356 USD
View
Price under review
Retailer 13
-
$3,719 AUD
£2,052 GBP
View
Price under review
Most Expensive
Reve Diamonds
70B682A69 · Nov 1
$3,743 AUD
$2,623 USD
View
Price under review
13 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