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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 €226 EUR
$251 USD
As of October 27, 2026
Save €993 EUR (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,218 EUR at Reve Diamonds · As of October 28, 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 27, 2026, with prices from €226 to €1,218, a €993 spread on the same certified stone. Reve Diamonds lists it at €1,218. 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
Colour
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 27
Current: €532 EUR|Low: €243 EUR|High: €1,218 EUR|Avg: €657 EUR|+9.2%
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
Reve Diamonds
October 29, 2026
Retailer 6€252 EUR
Retailer 13€279 EUR
Retailer 10€422 EUR
Retailer 3€447 EUR
Retailer 2€469 EUR
Retailer 8€480 EUR
Retailer 4€508 EUR
Retailer 1€532 EUR
Retailer 9€680 EUR
Retailer 12€827 EUR
Retailer 11€859 EUR
Retailer 14€898 EUR
Retailer 5€945 EUR
Retailer 7€1,126 EUR
Reve Diamonds€1,218 EUR

42 data points across 15 retailers

18 retailers€226 EUR to €1,218 EUR

A
Cheapest Retailer
-
€226 EUR
$251 USD
A
Retailer 2
-
€252 EUR
$280 USD
View
Final sale: no returns
A
Retailer 3
-
€261 EUR
$291 USD
View
A
Retailer 4
-
€279 EUR
$311 USD
View
A
Retailer 5
-
€279 EUR
$311 USD
View
A
Retailer 6
-
€422 EUR
$470 USD
View
B+
Retailer 7
-
€447 EUR
$498 USD
View
B+
Retailer 8
-
€469 EUR
$522 USD
View
B+
Retailer 9
-
€480 EUR
ZAR 8,633 ZAR
View
B+
Retailer 10
-
€508 EUR
$565 USD
View
B+
Retailer 11
-
€532 EUR
£466 GBP
View
B+
Retailer 12
-
€680 EUR
A$1,165 AUD
View
B
Retailer 13
-
€827 EUR
$920 USD
View
B
Retailer 14
-
€859 EUR
$956 USD
View
B
Retailer 15
-
€898 EUR
$1,000 USD
View
B
Retailer 16
-
€945 EUR
$1,052 USD
View
B
Retailer 17
-
€1,126 EUR
£987 GBP
View
Most Expensive
B
Reve Diamonds
11AB9F759 · Oct 28
€1,218 EUR
$1,356 USD
View
17 more retailers have this diamond
Prices start from €226 EURSave up to €993 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
€226 EUR