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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG640443023

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

Certificate IGI LG640443023

Diamond specifications and retailer prices

From €225 EUR
$251 USD
As of October 30, 2026
Save €989 EUR (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,214 EUR at Reve Diamonds · As of October 30, 2026
View at Reve 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG640443023 or 640443023. Listed at 18 retailers as of October 30, 2026, with prices from €225 to €1,214, a €989 spread on the same certified stone. Reve Diamonds lists it at €1,214. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640443023
Dimensions8.00 × 5.35 × 3.56 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.00 mm5.35 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640443023
Side View
Table 63.0%Crown 38.5°Girdle: MED-STKPavilion 31.3°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
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: €526 EUR|Low: €216 EUR|High: €1,214 EUR|Avg: €589 EUR|+7.7%
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
Reve Diamonds
October 31, 2026
Retailer 16€225 EUR
Retailer 9€251 EUR
Retailer 4€260 EUR
Retailer 5€278 EUR
Retailer 17€278 EUR
Retailer 14€421 EUR
Retailer 6€446 EUR
Retailer 3€467 EUR
Retailer 12€478 EUR
Retailer 7€506 EUR
Retailer 1€526 EUR
Retailer 13€678 EUR
Retailer 10€734 EUR
Retailer 15€856 EUR
Retailer 2€895 EUR
Retailer 8€941 EUR
Retailer 11€1,122 EUR
Reve Diamonds€1,214 EUR

43 data points across 18 retailers

18 retailers€225 EUR to €1,214 EUR

A
Cheapest Retailer
-
€225 EUR
$251 USD
A
Retailer 2
-
€251 EUR
$280 USD
View
Final sale: no returns
A
Retailer 3
-
€260 EUR
$291 USD
View
A
Retailer 4
-
€278 EUR
$311 USD
View
A
Retailer 5
-
€278 EUR
$311 USD
View
A
Retailer 6
-
€421 EUR
$470 USD
View
B+
Retailer 7
-
€446 EUR
$498 USD
View
B+
Retailer 8
-
€467 EUR
$522 USD
View
B+
Retailer 9
-
€478 EUR
ZAR 8,633 ZAR
View
B+
Retailer 10
-
€506 EUR
$565 USD
View
B+
Retailer 11
-
€526 EUR
£462 GBP
View
B+
Retailer 12
-
€678 EUR
A$1,165 AUD
View
B+
Retailer 13
-
€734 EUR
$820 USD
View
B
Retailer 14
-
€856 EUR
$956 USD
View
B
Retailer 15
-
€895 EUR
$1,000 USD
View
B
Retailer 16
-
€941 EUR
$1,052 USD
View
B
Retailer 17
-
€1,122 EUR
£987 GBP
View
Most Expensive
B
Reve Diamonds
11AB9F759 · Oct 30
€1,214 EUR
$1,356 USD
View
17 more retailers have this diamond
Prices start from €225 EURSave up to €989 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
€225 EUR