Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG841629550

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

Certificate IGI LG841629550

Diamond specifications and retailer prices

From €168 EUR
As of November 4, 2026
Save €806 EUR (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,593 EUR at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841629550 or 841629550. Listed at 21 retailers as of November 4, 2026, with a 479% 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

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841629550
Dimensions7.75 × 5.13 × 3.56 mm
L/W Ratio1.51
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm5.13 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841629550
Side View
Table 66.0%Crown 46.2°Girdle: STK-THKPavilion 33.8°Culet: NoneDepth 69.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €195 EUR|Low: €168 EUR|High: €1,003 EUR|Avg: €463 EUR|-2.2%
Retailer 1
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
Retailer 18
Retailer 19
November 6, 2026
Retailer 6€168 EUR
Retailer 17€189 EUR
Retailer 1€195 EUR
Retailer 18€209 EUR
Retailer 10€212 EUR
Retailer 12€237 EUR
Retailer 16€283 EUR
Retailer 4€345 EUR
Retailer 8€363 EUR
Retailer 13€376 EUR
Retailer 9€499 EUR
Retailer 5€510 EUR
Retailer 11€566 EUR
Retailer 15€673 EUR
Retailer 3€675 EUR
Retailer 7€683 EUR
Retailer 2€703 EUR
Retailer 19€720 EUR
Retailer 14€975 EUR

19 data points across 19 retailers

21 retailers€168 EUR to €975 EUR

A
Cheapest Retailer
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€168 EUR
A
Retailer 2
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€189 EUR
View
Final sale: no returns
A
Retailer 3
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€195 EUR
View
A
Retailer 4
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€209 EUR
View
Retailer 5
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€212 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
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€237 EUR
View
B+
Retailer 7
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€283 EUR
View
A
Retailer 8
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€345 EUR
View
A
Retailer 9
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€363 EUR
View
A
Retailer 10
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€376 EUR
View
A
Retailer 11
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€499 EUR
View
A
Retailer 12
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€510 EUR
View
B+
Retailer 13
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€566 EUR
View
B+
Retailer 14
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€673 EUR
View
B+
Retailer 15
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€675 EUR
View
B+
Retailer 16
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€683 EUR
View
B+
Retailer 17
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€703 EUR
View
B+
Retailer 18
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€720 EUR
View
Retailer 19
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€958 EUR
View
Price last confirmed 19 days ago
B+
Retailer 20
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€975 EUR
View
Most Expensive
Helzberg Diamonds
ZXZOKHMIPLLG · Oct 13
€1,593 EUR
$1,788 USD
View
Price last confirmed 23 days ago
20 more retailers have this diamond
Prices start from €168 EURSave up to €806 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
1.28ct Radiant
€168 EUR