CaratHunter
Plans
Round|Lab Grown|IGI

1.23ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG845638223

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845638223

Diamond specifications and retailer prices

From $253 AUD
As of November 5, 2026
Save $833 AUD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,086 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845638223 or 845638223. Listed at 10 retailers as of November 5, 2026, with prices from $253 to $1,086, a $833 spread on the same certified stone. Brilliant Earth lists it at $1,086. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845638223
Dimensions6.86 × 6.90 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.86 mm6.90 mm1.23 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845638223
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 41°Culet: NoneDepth 61.4%

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 5
Current: $1,086 AUD|Low: $253 AUD|High: $1,086 AUD|Avg: $654 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$253 AUD
Retailer 6$283 AUD
Retailer 7$293 AUD
Retailer 2$314 AUD
Retailer 3$520 AUD
Retailer 9$556 AUD
Retailer 4$1,009 AUD
Retailer 8$1,020 AUD
Retailer 10$1,037 AUD
Brilliant Earth$1,086 AUD

2 data points across 10 retailers

10 retailers$253 AUD to $1,086 AUD

A
Cheapest Retailer
-
$253 AUD
A
Retailer 2
-
$283 AUD
View
Final sale: no returns
A
Retailer 3
-
$293 AUD
View
A
Retailer 4
-
$314 AUD
View
A
Retailer 5
-
$520 AUD
View
A
Retailer 6
-
$556 AUD
View
B
Retailer 7
-
$1,009 AUD
View
B
Retailer 8
-
$1,020 AUD
View
B
Retailer 9
-
$1,037 AUD
View
Most Expensive
B
Brilliant Earth
22514623A · Nov 5
$1,086 AUD
$760 USD
View
9 more retailers have this diamond
Prices start from $253 AUDSave up to $833 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
1.23ct Round
$253 AUD