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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 $830 USD
As of October 31, 2026
Save $955 USD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,967 USD 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
Color
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

How it works →
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: $2,967 USD|Low: $830 USD|High: $4,671 USD|Avg: $2,329 USD|+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$830 USD
Retailer 10$1,391 USD
Retailer 4$1,514 USD
Retailer 3$1,558 USD
Retailer 12$1,614 USD
Retailer 14$1,614 USD
Retailer 5$1,785 USD
Retailer 6$2,186 USD
Retailer 13$2,548 USD
Retailer 9$2,756 USD
Retailer 7$2,929 USD
Cape Diamonds$2,967 USD
Retailer 15$3,025 USD
Retailer 8$3,889 USD
Retailer 2$4,610 USD

39 data points across 15 retailers

14 retailers$830 USD to $1,785 USD

B
Cheapest Retailer
-
$830 USD
B
Retailer 2
-
$1,391 USD
View
B
Retailer 3
-
$1,514 USD
View
B
Retailer 4
-
$1,558 USD
View
Final sale: no returns
B
Retailer 5
-
$1,614 USD
View
Retailer 6
-
$1,614 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$1,785 USD
View
Retailer 8
-
$2,548 USD
View
Price under review
Retailer 9
-
$2,756 USD
€2,625 EUR
View
Price under review
Retailer 10
-
$2,929 USD
View
Price under review
Most Expensive
Cape Diamonds
cert_490193809 · Oct 29
$2,967 USD
ZAR 47,933 ZAR
View
Price under review
10 more retailers have this diamond
Prices start from $830 USDSave up to $955 USD

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
$830 USD