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Radiant|Lab Grown|IGI

1.23ct F VS1 Radiant Lab Grown Diamond

VG • F/VS1 • IGI LG608300806

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

Certificate IGI LG608300806

Diamond specifications and retailer prices

From €159 EUR
$178 USD
As of October 30, 2026
Save €1,366 EUR (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,525 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG608300806 or 608300806. Listed at 11 retailers as of October 30, 2026, with prices from €159 to €1,525, a €1,366 spread on the same certified stone. Do Amore Diamonds lists it at €1,525. 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
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608300806
Dimensions7.51 × 5.26 × 3.59 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.51 mm5.26 mm1.23 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608300806
Side View
Table 64.0%Crown 41.7°Girdle: MediumPavilion 35.8°Culet: NoneDepth 68.3%

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: €1,525 EUR|Low: €121 EUR|High: €1,525 EUR|Avg: €615 EUR|+1.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 13€159 EUR
Retailer 17€175 EUR
Retailer 11€185 EUR
Retailer 15€350 EUR
Retailer 3€358 EUR
Retailer 6€378 EUR
Retailer 5€417 EUR
Retailer 8€465 EUR
Retailer 10€533 EUR
Retailer 9€579 EUR
Retailer 12€670 EUR
Retailer 14€700 EUR
Retailer 7€822 EUR
Retailer 4€829 EUR
Retailer 2€1,024 EUR
Retailer 16€1,123 EUR
Do Amore Diamonds€1,525 EUR

20 data points across 17 retailers

11 retailers€159 EUR to €1,525 EUR

A
Cheapest Retailer
-
€159 EUR
$178 USD
A
Retailer 2
-
€175 EUR
$196 USD
View
Final sale: no returns
A
Retailer 3
-
€185 EUR
$207 USD
View
A
Retailer 4
-
€350 EUR
$393 USD
View
B+
Retailer 5
-
€533 EUR
A$919 AUD
View
B
Retailer 6
-
€670 EUR
$752 USD
View
B
Retailer 7
-
€700 EUR
$785 USD
View
B
Retailer 8
-
€829 EUR
$930 USD
View
B
Retailer 9
-
€1,024 EUR
£904 GBP
View
B
Retailer 10
-
€1,123 EUR
$1,260 USD
View
Most Expensive
B
Do Amore Diamonds
27-8ED2C6BE9 · Oct 31
€1,525 EUR
$1,710 USD
View
10 more retailers have this diamond
Prices start from €159 EURSave up to €1,366 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
€159 EUR