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Radiant|Lab Grown|IGI

1.23ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG634443011

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

Certificate IGI LG634443011

Diamond specifications and retailer prices

From €269 EUR
$299 USD
As of October 28, 2026
Save €621 EUR (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €889 EUR at Rare Carat · As of October 24, 2026
View at Rare Carat

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG634443011 or 634443011. Listed at 3 retailers as of October 24, 2026, with prices from €269 to €889, a €621 spread on the same certified stone. Rare Carat lists it at €889. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634443011
Dimensions7.85 × 5.19 × 3.53 mm
L/W Ratio1.51
Culet sizePointed
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
7.85 mm5.19 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634443011
Side View
Table 65.0%Crown 44.4°Girdle: MediumPavilion 34.3°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: €889 EUR|Low: €138 EUR|High: €1,671 EUR|Avg: €682 EUR|-0.1%
Rare Carat
Retailer 2
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Retailer 16
October 18, 2026
Retailer 14€138 EUR
Retailer 10€269 EUR
Retailer 7€334 EUR
Retailer 12€413 EUR
Retailer 6€451 EUR
Retailer 2€477 EUR
Retailer 3€500 EUR
Retailer 15€534 EUR
Retailer 11€570 EUR
Retailer 8€752 EUR
Rare Carat€889 EUR
Retailer 4€918 EUR
Retailer 16€931 EUR
Retailer 9€1,033 EUR
Retailer 5€1,054 EUR
Retailer 13€1,671 EUR

7 data points across 16 retailers

3 retailers€269 EUR to €889 EUR

B+
Cheapest Retailer
-
€269 EUR
$299 USD
B+
Retailer 2
-
€477 EUR
$531 USD
View
Most Expensive
B
Rare Carat
A13-26 · Oct 21
€889 EUR
$990 USD
View
2 more retailers have this diamond
Prices start from €269 EURSave up to €621 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
€269 EUR