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Radiant|Lab Grown|IGI

1.23ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG805676250

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

Certificate IGI LG805676250

Diamond specifications and retailer prices

From €195 EUR
$218 USD
As of November 1, 2026
Save €879 EUR (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,074 EUR at Brilliant Earth · As of October 31, 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 LG805676250 or 805676250. Listed at 13 retailers as of October 31, 2026, with prices from €195 to €1,074, a €879 spread on the same certified stone. Brilliant Earth lists it at €1,074. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805676250
Dimensions7.54 × 5.25 × 3.60 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm5.25 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805676250
Side View
Table 64.0%Crown 43°Girdle: MediumPavilion 35.1°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,074 EUR|Low: €195 EUR|High: €1,083 EUR|Avg: €584 EUR|-0.8%
Brilliant Earth
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 13€195 EUR
Retailer 6€289 EUR
Retailer 2€374 EUR
Retailer 8€376 EUR
Retailer 4€378 EUR
Retailer 7€395 EUR
Retailer 11€427 EUR
Retailer 10€528 EUR
Retailer 5€644 EUR
Retailer 12€699 EUR
Retailer 9€1,019 EUR
Retailer 3€1,055 EUR
Brilliant Earth€1,074 EUR

15 data points across 13 retailers

13 retailers€195 EUR to €1,074 EUR

A
Cheapest Retailer
-
€195 EUR
$218 USD
Final sale: no returns
A
Retailer 2
-
€289 EUR
£255 GBP
View
A
Retailer 3
-
€374 EUR
ZAR 6,748 ZAR
View
A
Retailer 4
-
€376 EUR
View
A
Retailer 5
-
€378 EUR
$422 USD
View
A
Retailer 6
-
€395 EUR
£348 GBP
View
A
Retailer 7
-
€427 EUR
$477 USD
View
B+
Retailer 8
-
€528 EUR
A$908 AUD
View
Retailer 9
-
€644 EUR
$720 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
€699 EUR
$781 USD
View
B
Retailer 11
-
€1,019 EUR
£896 GBP
View
B
Retailer 12
-
€1,055 EUR
$1,178 USD
View
Most Expensive
B
Brilliant Earth
22162818A · Oct 31
€1,074 EUR
$1,200 USD
View
12 more retailers have this diamond
Prices start from €195 EURSave up to €879 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
€195 EUR