Round|Lab Grown|IGI

1.03ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG825630599

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825630599

Diamond specifications and retailer prices

From $515 AUD
$362 USD
As of November 1, 2026
Save $787 AUD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,580 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct 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 LG825630599 or 825630599. 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

1.03
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630599
Dimensions6.52 × 6.47 × 3.92 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
6.52 mm6.47 mm1.03 ctI / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG825630599
Side View
Table 62.0%Crown 36.3°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 60.4%

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 1
Current: $1,580 AUD|Low: $243 AUD|High: $1,580 AUD|Avg: $723 AUD|+30.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$343 AUD
Retailer 7$515 AUD
Retailer 2$548 AUD
Retailer 3$571 AUD
Retailer 4$626 AUD
Retailer 6$655 AUD
Retailer 5$726 AUD
Retailer 11$863 AUD
Retailer 8$972 AUD
Retailer 10$1,302 AUD
MOH London$1,580 AUD

40 data points across 11 retailers

14 retailers$515 AUD to $1,302 AUD

Retailer 1
-
$218 AUD
$153 USD
Price last confirmed 22 days ago
Retailer 2
-
$252 AUD
$177 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$269 AUD
$189 USD
View
Price last confirmed 30 days ago
B+
Retailer 4
-
$515 AUD
$362 USD
View
B+
Retailer 5
-
$548 AUD
$385 USD
View
Retailer 6
-
$571 AUD
ZAR 6,480 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$626 AUD
€419 EUR
View
B+
Retailer 8
-
$655 AUD
$460 USD
View
B+
Retailer 9
-
$726 AUD
$510 USD
View
B
Retailer 10
-
$863 AUD
£477 GBP
View
Retailer 11
-
$867 AUD
$609 USD
View
Price last confirmed 32 days ago
B
Retailer 12
-
$972 AUD
$683 USD
View
B
Retailer 13
-
$1,302 AUD
$915 USD
View
Most Expensive
MOH London
LG825630599 · Oct 25
$1,580 AUD
£874 GBP
View
Price last confirmed 7 days ago
13 more retailers have this diamond
Prices start from $515 AUDSave up to $787 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+
1.03ct Round
$515 AUD