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Round|Lab Grown|GCAL

1.23ct J VS2 Round Lab Grown Diamond

ID • J/VS2

Diamond specifications and retailer prices

From $4,100 NZD
As of November 5, 2026
Save $3,133 NZD (43%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $7,233 NZD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GCAL. Listed at 2 retailers as of November 5, 2026, with prices from $4,100 to $7,233, a $3,133 spread on the same certified stone. The Diamond Guys lists it at $7,233. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
J
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions6.79 × 6.83 × 4.25 mm
L/W Ratio1.01
Top View
6.79 mm6.83 mm1.23 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL
Side View
Table 59.0%CrownGirdle: MediumPavilionCuletDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $4,100 NZD|Low: $2,768 NZD|High: $7,733 NZD|Avg: $5,313 NZD
Retailer 1
Retailer 2
The Diamond Guys
September 4, 2026
Retailer 2$2,768 NZD
Retailer 1$4,100 NZD
The Diamond Guys$7,233 NZD

5 data points across 3 retailers

2 retailers$4,100 NZD to $7,233 NZD

B
Cheapest Retailer
-
$4,100 NZD
Most Expensive
C
The Diamond Guys
1842025531 · Nov 6
$7,233 NZD
$4,066 USD
View
1 more retailer has this diamond
Prices start from $4,100 NZDSave up to $3,133 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.

B
1.23ct Round
$4,100 NZD