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Round|Lab Grown|IGI

1.05ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG825630578

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825630578

Diamond specifications and retailer prices

From $530 AUD
$372 USD
As of November 1, 2026
Save $812 AUD (61%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,587 AUD at MOH London · As of October 18, 2026
View at MOH London

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 LG825630578 or 825630578. Listed at 14 retailers as of October 27, 2026, with a 153% 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630578
Dimensions6.50 × 6.45 × 3.99 mm
L/W Ratio1.01
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.50 mm6.45 mm1.05 ctI / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825630578
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,587 AUD|Low: $212 AUD|High: $1,596 AUD|Avg: $657 AUD|+29.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 4$221 AUD
Retailer 5$256 AUD
Retailer 12$354 AUD
Retailer 10$530 AUD
Retailer 6$562 AUD
Retailer 3$580 AUD
Retailer 2$647 AUD
Retailer 7$683 AUD
Retailer 9$753 AUD
Retailer 13$891 AUD
Retailer 8$968 AUD
Retailer 11$1,341 AUD
MOH London$1,587 AUD

41 data points across 13 retailers

14 retailers$530 AUD to $1,341 AUD

Retailer 1
-
$221 AUD
$155 USD
Price last confirmed 23 days ago
Retailer 2
-
$256 AUD
$180 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$273 AUD
$192 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$530 AUD
$372 USD
View
B+
Retailer 5
-
$562 AUD
$395 USD
View
Retailer 6
-
$580 AUD
ZAR 6,586 ZAR
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$647 AUD
€433 EUR
View
B+
Retailer 8
-
$683 AUD
$480 USD
View
B+
Retailer 9
-
$753 AUD
$529 USD
View
Retailer 10
-
$880 AUD
$618 USD
View
Price last confirmed 32 days ago
B
Retailer 11
-
$891 AUD
£493 GBP
View
B
Retailer 12
-
$968 AUD
$680 USD
View
B
Retailer 13
-
$1,341 AUD
$942 USD
View
Most Expensive
MOH London
LG825630578 · Oct 18
$1,587 AUD
£878 GBP
View
Price last confirmed 15 days ago
13 more retailers have this diamond
Prices start from $530 AUDSave up to $812 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.

A
1.05ct Round
$530 AUD