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Radiant|Lab Grown|IGI

1.23ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG512224130

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

Certificate IGI LG512224130

Diamond specifications and retailer prices

From €922 EUR
$1,030 USD
As of November 2, 2026
Save €1,084 EUR (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,788 EUR at Aida Diamonds · As of October 31, 2026
View at Aida Diamonds

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512224130 or 512224130. Listed at 16 retailers as of November 1, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512224130
Dimensions6.92 × 5.25 × 3.73 mm
L/W Ratio1.32
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
6.92 mm5.25 mm1.23 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512224130
Side View
Table 68.0%Crown 44.3°Girdle: STK-THKPavilion 30.5°Culet: NoneDepth 71.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €2,788 EUR|Low: €885 EUR|High: €3,677 EUR|Avg: €1,774 EUR|-0.1%
Aida 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 2, 2026
Retailer 8€922 EUR
Retailer 13€1,003 EUR
Retailer 3€1,033 EUR
Retailer 10€1,070 EUR
Retailer 9€1,083 EUR
Retailer 5€1,226 EUR
Retailer 2€1,543 EUR
Retailer 11€1,706 EUR
Retailer 7€1,967 EUR
Retailer 12€2,006 EUR
Aida Diamonds€2,788 EUR
Retailer 4€2,960 EUR
Retailer 6€3,629 EUR

45 data points across 13 retailers

16 retailers€922 EUR to €2,006 EUR

B
Cheapest Retailer
-
€922 EUR
$1,030 USD
B
Retailer 2
-
€1,003 EUR
$1,121 USD
View
B
Retailer 3
-
€1,033 EUR
$1,154 USD
View
Final sale: no returns
Retailer 4
-
€1,070 EUR
$1,195 USD
View
Price last confirmed 16 days ago
B
Retailer 5
-
€1,070 EUR
$1,195 USD
View
B
Retailer 6
-
€1,083 EUR
$1,210 USD
View
B
Retailer 7
-
€1,226 EUR
$1,370 USD
View
B
Retailer 8
-
€1,543 EUR
£1,357 GBP
View
B
Retailer 9
-
€1,706 EUR
$1,906 USD
View
B
Retailer 10
-
€1,967 EUR
ZAR 35,499 ZAR
View
B
Retailer 11
-
€2,006 EUR
$2,241 USD
View
Retailer 12
-
€2,236 EUR
$2,498 USD
View
Price under review
Most Expensive
Aida Diamonds
496865909 · Oct 31
€2,788 EUR
A$4,792 AUD
View
Price under review
12 more retailers have this diamond
Prices start from €922 EURSave up to €1,084 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.

B
1.23ct Radiant
€922 EUR