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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 $315 NZD
As of November 5, 2026
Save $1,037 NZD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,352 NZD 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 $315 to $1,352, a $1,037 spread on the same certified stone. Brilliant Earth lists it at $1,352. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,352 NZD|Low: $315 NZD|High: $1,352 NZD|Avg: $814 NZD
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$315 NZD
Retailer 6$352 NZD
Retailer 7$365 NZD
Retailer 2$391 NZD
Retailer 3$648 NZD
Retailer 9$692 NZD
Retailer 4$1,256 NZD
Retailer 8$1,270 NZD
Retailer 10$1,291 NZD
Brilliant Earth$1,352 NZD

2 data points across 10 retailers

10 retailers$315 NZD to $1,352 NZD

A
Cheapest Retailer
-
$315 NZD
A
Retailer 2
-
$352 NZD
View
Final sale: no returns
A
Retailer 3
-
$365 NZD
View
A
Retailer 4
-
$391 NZD
View
A
Retailer 5
-
$648 NZD
View
A
Retailer 6
-
$692 NZD
View
B
Retailer 7
-
$1,256 NZD
View
B
Retailer 8
-
$1,270 NZD
View
B
Retailer 9
-
$1,291 NZD
View
Most Expensive
B
Brilliant Earth
22514623A · Nov 5
$1,352 NZD
$760 USD
View
9 more retailers have this diamond
Prices start from $315 NZDSave up to $1,037 NZD

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
$315 NZD