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Radiant|Lab Grown|IGI

1.23ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG842603876

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

Certificate IGI LG842603876

Diamond specifications and retailer prices

From $289 NZD
$163 USD
As of October 30, 2026
Save $2,496 NZD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,786 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 very-good cut grade and certified by IGI LG842603876 or 842603876. Listed at 13 retailers as of October 30, 2026, with prices from $289 to $2,786, a $2,496 spread on the same certified stone. Do Amore Diamonds lists it at $2,786. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842603876
Dimensions7.37 × 5.40 × 3.56 mm
L/W Ratio1.36
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
7.37 mm5.40 mm1.23 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842603876
Side View
Table 67.0%Crown 48°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 65.9%

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: Oct 30
Current: $2,786 NZD|Low: $289 NZD|High: $2,786 NZD|Avg: $874 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3$289 NZD
Retailer 13$325 NZD
Retailer 10$335 NZD
Retailer 2$423 NZD
Retailer 4$495 NZD
Retailer 7$530 NZD
Retailer 9$669 NZD
Retailer 11$804 NZD
Retailer 12$1,260 NZD
Retailer 8$1,276 NZD
Retailer 5$1,329 NZD
Retailer 6$1,855 NZD
Do Amore Diamonds$2,786 NZD

3 data points across 13 retailers

13 retailers$289 NZD to $2,786 NZD

A
Cheapest Retailer
-
$289 NZD
$163 USD
A
Retailer 2
-
$325 NZD
$183 USD
View
Final sale: no returns
A
Retailer 3
-
$335 NZD
$189 USD
View
A
Retailer 4
-
$423 NZD
$239 USD
View
B+
Retailer 5
-
$495 NZD
$279 USD
View
A
Retailer 6
-
$530 NZD
£235 GBP
View
A
Retailer 7
-
$669 NZD
€359 EUR
View
A
Retailer 8
-
$804 NZD
$453 USD
View
B
Retailer 9
-
$1,260 NZD
$710 USD
View
B
Retailer 10
-
$1,276 NZD
$719 USD
View
B+
Retailer 11
-
$1,329 NZD
$749 USD
View
B
Retailer 12
-
$1,855 NZD
£823 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6A3D6B802 · Oct 31
$2,786 NZD
$1,570 USD
View
12 more retailers have this diamond
Prices start from $289 NZDSave up to $2,496 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
$289 NZD