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Radiant|Lab Grown|IGI

1.23ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG844677104

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG844677104

Diamond specifications and retailer prices

From $479 NZD
£213 GBP
As of October 29, 2026
Save $1,615 NZD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,094 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844677104 or 844677104. Listed at 8 retailers as of October 28, 2026, with prices from $479 to $2,094, a $1,615 spread on the same certified stone. Brilliant Earth lists it at $2,094. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844677104
Dimensions7.38 × 5.23 × 3.52 mm
L/W Ratio1.41
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.38 mm5.23 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844677104
Side View
Table 64.0%Crown 25.4°Girdle: Slightly ThickPavilion 36.1°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $825 NZD|Low: $358 NZD|High: $1,945 NZD|Avg: $891 NZD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4$358 NZD
Retailer 3$479 NZD
Retailer 2$628 NZD
Retailer 8$669 NZD
Retailer 1$825 NZD
Retailer 5$909 NZD
Retailer 6$1,267 NZD
Retailer 7$1,945 NZD

10 data points across 8 retailers

8 retailers$479 NZD to $2,094 NZD

A
Cheapest Retailer
-
$479 NZD
£213 GBP
A
Retailer 2
-
$628 NZD
£279 GBP
View
A
Retailer 3
-
$669 NZD
$377 USD
View
A
Retailer 4
-
$825 NZD
$465 USD
View
A
Retailer 5
-
$909 NZD
A$788 AUD
View
B
Retailer 6
-
$1,267 NZD
$714 USD
View
Retailer 7
-
$1,945 NZD
$1,096 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
22340661A · Oct 28
$2,094 NZD
$1,180 USD
View
7 more retailers have this diamond
Prices start from $479 NZDSave up to $1,615 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 Radiant
$479 NZD