Round|Lab Grown|IGI

1.03ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG778630870

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778630870

Diamond specifications and retailer prices

From $273 AUD
As of November 3, 2026
Save $1,314 AUD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,588 AUD at MOH London · As of November 2, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778630870 or 778630870. Listed at 20 retailers as of November 2, 2026, with prices from $273 to $1,588, a $1,314 spread on the same certified stone. MOH London lists it at $1,588. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778630870
Dimensions6.55 × 6.51 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.55 mm6.51 mm1.03 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778630870
Side View
Table 59.0%Crown 33.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.2%

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 3
Current: $1,588 AUD|Low: $273 AUD|High: $1,626 AUD|Avg: $798 AUD|-2.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 4, 2026
Retailer 18$273 AUD
Retailer 6$306 AUD
Retailer 5$318 AUD
Retailer 19$339 AUD
Retailer 12$344 AUD
Retailer 14$566 AUD
Retailer 17$586 AUD
Retailer 7$594 AUD
Retailer 13$610 AUD
Retailer 3$789 AUD
Retailer 16$828 AUD
Retailer 11$876 AUD
Retailer 15$885 AUD
Retailer 8$922 AUD
Retailer 20$1,093 AUD
Retailer 9$1,154 AUD
Retailer 10$1,168 AUD
Retailer 2$1,239 AUD
Retailer 4$1,561 AUD
MOH London$1,588 AUD

24 data points across 20 retailers

20 retailers$273 AUD to $1,588 AUD

A
Cheapest Retailer
-
$273 AUD
A
Retailer 2
-
$306 AUD
View
Final sale: no returns
A
Retailer 3
-
$318 AUD
View
A
Retailer 4
-
$339 AUD
View
Retailer 5
-
$344 AUD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$566 AUD
View
A
Retailer 7
-
$586 AUD
View
A
Retailer 8
-
$594 AUD
View
A
Retailer 9
-
$610 AUD
View
B+
Retailer 10
-
$789 AUD
View
B+
Retailer 11
-
$828 AUD
View
B+
Retailer 12
-
$876 AUD
View
B+
Retailer 13
-
$885 AUD
View
B+
Retailer 14
-
$922 AUD
View
B+
Retailer 15
-
$1,093 AUD
View
B
Retailer 16
-
$1,154 AUD
View
B+
Retailer 17
-
$1,168 AUD
View
B
Retailer 18
-
$1,239 AUD
View
B
Retailer 19
-
$1,561 AUD
View
Most Expensive
B
MOH London
LG778630870 · Nov 2
$1,588 AUD
£873 GBP
View
19 more retailers have this diamond
Prices start from $273 AUDSave up to $1,314 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
$273 AUD