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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 €146 EUR
$163 USD
As of October 30, 2026
Save €1,259 EUR (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,405 EUR 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 €146 to €1,405, a €1,259 spread on the same certified stone. Do Amore Diamonds lists it at €1,405. 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

How it works →
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: €1,405 EUR|Low: €146 EUR|High: €1,405 EUR|Avg: €441 EUR
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€146 EUR
Retailer 13€164 EUR
Retailer 10€169 EUR
Retailer 2€214 EUR
Retailer 4€250 EUR
Retailer 7€267 EUR
Retailer 9€337 EUR
Retailer 11€405 EUR
Retailer 12€636 EUR
Retailer 8€644 EUR
Retailer 5€670 EUR
Retailer 6€936 EUR
Do Amore Diamonds€1,405 EUR

3 data points across 13 retailers

13 retailers€146 EUR to €1,405 EUR

A
Cheapest Retailer
-
€146 EUR
$163 USD
A
Retailer 2
-
€164 EUR
$183 USD
View
Final sale: no returns
A
Retailer 3
-
€169 EUR
$189 USD
View
A
Retailer 4
-
€214 EUR
$239 USD
View
B+
Retailer 5
-
€250 EUR
$279 USD
View
A
Retailer 6
-
€267 EUR
£235 GBP
View
A
Retailer 7
-
€337 EUR
View
A
Retailer 8
-
€405 EUR
$453 USD
View
B
Retailer 9
-
€636 EUR
$710 USD
View
B
Retailer 10
-
€644 EUR
$719 USD
View
B+
Retailer 11
-
€670 EUR
$749 USD
View
B
Retailer 12
-
€936 EUR
£823 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6A3D6B802 · Oct 31
€1,405 EUR
$1,570 USD
View
12 more retailers have this diamond
Prices start from €146 EURSave up to €1,259 EUR

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
€146 EUR