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Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG756582503

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

Certificate IGI LG756582503

Diamond specifications and retailer prices

From €225 EUR
As of November 2, 2026
Save €990 EUR (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,709 EUR at Brilliant Earth · As of October 16, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG756582503 or 756582503. Listed at 23 retailers as of November 1, 2026, with a 439% 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
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756582503
Dimensions7.58 × 5.38 × 3.55 mm
L/W Ratio1.41
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
7.58 mm5.38 mm1.23 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756582503
Side View
Table 60.0%Crown 42.9°Girdle: MediumPavilion 35°Culet: NoneDepth 66.0%

Caratlytics Score

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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: Nov 2
Current: €1,709 EUR|Low: €219 EUR|High: €1,709 EUR|Avg: €657 EUR
Brilliant Earth
Retailer 2
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Retailer 23
November 4, 2026
Retailer 23€225 EUR
Retailer 8€251 EUR
Retailer 21€261 EUR
Retailer 7€279 EUR
Retailer 16€281 EUR
Retailer 15€309 EUR
Retailer 3€376 EUR
Retailer 14€425 EUR
Retailer 19€482 EUR
Retailer 18€500 EUR
Retailer 22€505 EUR
Retailer 2€526 EUR
Retailer 5€549 EUR
Retailer 13€684 EUR
Retailer 17€709 EUR
Retailer 9€863 EUR
Retailer 11€898 EUR
Retailer 10€899 EUR
Retailer 6€944 EUR
Retailer 12€993 EUR
Retailer 20€1,118 EUR
Retailer 4€1,216 EUR
Brilliant Earth€1,709 EUR

36 data points across 23 retailers

23 retailers€225 EUR to €1,216 EUR

A
Cheapest Retailer
-
€225 EUR
A
Retailer 2
-
€251 EUR
View
Final sale: no returns
A
Retailer 3
-
€261 EUR
View
A
Retailer 4
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€279 EUR
View
Retailer 5
-
€281 EUR
View
Price last confirmed 10 days ago
A
Retailer 6
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€309 EUR
View
A
Retailer 7
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€376 EUR
View
A
Retailer 8
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€425 EUR
View
A
Retailer 9
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€482 EUR
View
B+
Retailer 10
-
€500 EUR
View
B+
Retailer 11
-
€505 EUR
View
A
Retailer 12
-
€526 EUR
View
B+
Retailer 13
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€549 EUR
View
B+
Retailer 14
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€684 EUR
View
B+
Retailer 15
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€709 EUR
View
B+
Retailer 16
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€863 EUR
View
B
Retailer 17
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€898 EUR
View
B
Retailer 18
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€899 EUR
View
B
Retailer 19
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€944 EUR
View
Retailer 20
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€993 EUR
View
Price last confirmed 17 days ago
B
Retailer 21
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€1,118 EUR
View
B
Retailer 22
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€1,216 EUR
View
Most Expensive
Brilliant Earth
17287792A · Oct 16
€1,709 EUR
$1,910 USD
View
Price last confirmed 19 days ago
22 more retailers have this diamond
Prices start from €225 EURSave up to €990 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
€225 EUR