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Round|Lab Grown|IGI

1.05ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG490193809

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490193809

Diamond specifications and retailer prices

From $1,182 AUD
$830 USD
As of October 31, 2026
Save $1,360 AUD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,224 AUD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG490193809 or 490193809. Listed at 14 retailers as of October 31, 2026, with a 115% 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

1.05
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490193809
Dimensions6.59 × 6.56 × 3.94 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.59 mm6.56 mm1.05 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490193809
Side View
Table 58.5%Crown 32.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,224 AUD|Low: $1,182 AUD|High: $6,650 AUD|Avg: $3,315 AUD|+2.7%
Cape Diamonds
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
November 1, 2026
Retailer 11$1,182 AUD
Retailer 10$1,980 AUD
Retailer 4$2,155 AUD
Retailer 3$2,218 AUD
Retailer 12$2,298 AUD
Retailer 14$2,298 AUD
Retailer 5$2,541 AUD
Retailer 6$3,112 AUD
Retailer 13$3,627 AUD
Retailer 9$3,924 AUD
Retailer 7$4,170 AUD
Cape Diamonds$4,224 AUD
Retailer 15$4,306 AUD
Retailer 8$5,536 AUD
Retailer 2$6,563 AUD

39 data points across 15 retailers

14 retailers$1,182 AUD to $2,541 AUD

B
Cheapest Retailer
-
$1,182 AUD
$830 USD
B
Retailer 2
-
$1,980 AUD
$1,391 USD
View
B
Retailer 3
-
$2,155 AUD
$1,514 USD
View
B
Retailer 4
-
$2,218 AUD
$1,558 USD
View
Final sale: no returns
B
Retailer 5
-
$2,298 AUD
$1,614 USD
View
Retailer 6
-
$2,298 AUD
$1,614 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$2,541 AUD
$1,785 USD
View
Retailer 8
-
$3,627 AUD
$2,548 USD
View
Price under review
Retailer 9
-
$3,924 AUD
€2,625 EUR
View
Price under review
Retailer 10
-
$4,170 AUD
$2,929 USD
View
Price under review
Most Expensive
Cape Diamonds
cert_490193809 · Oct 29
$4,224 AUD
ZAR 47,933 ZAR
View
Price under review
10 more retailers have this diamond
Prices start from $1,182 AUDSave up to $1,360 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
1.05ct Round
$1,182 AUD