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Round|Lab Grown|IGI

1.03ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG818639581

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818639581

Diamond specifications and retailer prices

From $249 AUD
$175 USD
As of October 30, 2026
Save $1,054 AUD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,304 AUD at MOH London · As of October 29, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818639581 or 818639581. Listed at 13 retailers as of October 29, 2026, with prices from $249 to $1,304, a $1,054 spread on the same certified stone. MOH London lists it at $1,304. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818639581
Dimensions6.48 × 6.46 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm6.46 mm1.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818639581
Side View
Table 59.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 61.6%

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: Oct 30
Current: $1,304 AUD|Low: $249 AUD|High: $1,313 AUD|Avg: $706 AUD|+3.4%
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
October 30, 2026
Retailer 11$249 AUD
Retailer 4$424 AUD
Retailer 9$476 AUD
Retailer 6$480 AUD
Retailer 7$485 AUD
Retailer 8$505 AUD
Retailer 3$577 AUD
Retailer 10$675 AUD
Retailer 2$725 AUD
Retailer 13$758 AUD
Retailer 5$891 AUD
Retailer 12$970 AUD
MOH London$1,304 AUD

41 data points across 13 retailers

13 retailers$249 AUD to $1,304 AUD

A
Cheapest Retailer
-
$249 AUD
$175 USD
Final sale: no returns
A
Retailer 2
-
$424 AUD
$298 USD
View
B+
Retailer 3
-
$476 AUD
ZAR 5,403 ZAR
View
A
Retailer 4
-
$480 AUD
£265 GBP
View
B+
Retailer 5
-
$485 AUD
£268 GBP
View
B+
Retailer 6
-
$505 AUD
$355 USD
View
B+
Retailer 7
-
$577 AUD
$405 USD
View
B+
Retailer 8
-
$675 AUD
View
B+
Retailer 9
-
$725 AUD
$509 USD
View
B+
Retailer 10
-
$758 AUD
SGD 720 SGD
View
B
Retailer 11
-
$907 AUD
$637 USD
View
B
Retailer 12
-
$970 AUD
$681 USD
View
Most Expensive
B
MOH London
LG818639581 · Oct 29
$1,304 AUD
£721 GBP
View
12 more retailers have this diamond
Prices start from $249 AUDSave up to $1,054 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
1.03ct Round
$249 AUD