Radiant|Lab Grown|IGI

1.28ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG841654543

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

Certificate IGI LG841654543

Diamond specifications and retailer prices

From €166 EUR
$186 USD
As of October 30, 2026
Save €812 EUR (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,522 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841654543 or 841654543. Listed at 21 retailers as of October 26, 2026, with a 488% 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
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841654543
Dimensions8.21 × 5.18 × 3.45 mm
L/W Ratio1.58
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.21 mm5.18 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841654543
Side View
Table 67.0%Crown 40.6°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 66.6%

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: Oct 30
Current: €341 EUR|Low: €166 EUR|High: €1,003 EUR|Avg: €472 EUR|-3.2%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
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Retailer 12
Retailer 13
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Retailer 19
Retailer 20
October 31, 2026
Retailer 20€166 EUR
Retailer 19€187 EUR
Retailer 12€193 EUR
Retailer 5€208 EUR
Retailer 10€209 EUR
Retailer 3€254 EUR
Retailer 18€279 EUR
Retailer 1€341 EUR
Retailer 8€357 EUR
Retailer 14€375 EUR
Retailer 17€498 EUR
Retailer 9€510 EUR
Retailer 7€542 EUR
Retailer 15€668 EUR
Retailer 6€669 EUR
Retailer 4€676 EUR
Retailer 16€694 EUR
Retailer 2€714 EUR
Retailer 13€810 EUR
Retailer 11€979 EUR

16 data points across 20 retailers

21 retailers€166 EUR to €979 EUR

A
Cheapest Retailer
-
€166 EUR
$186 USD
A
Retailer 2
-
€187 EUR
$209 USD
View
Final sale: no returns
A
Retailer 3
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€193 EUR
$216 USD
View
A
Retailer 4
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€208 EUR
$232 USD
View
A
Retailer 5
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€209 EUR
$234 USD
View
A
Retailer 6
-
€254 EUR
£224 GBP
View
B+
Retailer 7
-
€279 EUR
$312 USD
View
A
Retailer 8
-
€341 EUR
View
A
Retailer 9
-
€357 EUR
ZAR 6,448 ZAR
View
A
Retailer 10
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€375 EUR
£330 GBP
View
A
Retailer 11
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€498 EUR
$556 USD
View
A
Retailer 12
-
€510 EUR
A$877 AUD
View
B+
Retailer 13
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€542 EUR
$606 USD
View
B+
Retailer 14
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€668 EUR
$746 USD
View
B+
Retailer 15
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€669 EUR
$747 USD
View
B+
Retailer 16
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€676 EUR
SGD 1,021 SGD
View
B+
Retailer 17
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€694 EUR
$775 USD
View
B+
Retailer 18
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€714 EUR
$797 USD
View
Retailer 19
-
€810 EUR
$905 USD
View
Price last confirmed 10 days ago
B+
Retailer 20
-
€979 EUR
£861 GBP
View
Most Expensive
Helzberg Diamonds
ZXZOKHMLKLKJ · Oct 13
€1,522 EUR
$1,700 USD
View
Price last confirmed 18 days ago
20 more retailers have this diamond
Prices start from €166 EURSave up to €812 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
€166 EUR