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Radiant|Lab Grown|IGI

1.28ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG831645783

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

Certificate IGI LG831645783

Diamond specifications and retailer prices

From €199 EUR
$221 USD
As of October 27, 2026
Save €1,023 EUR (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,222 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG831645783 or 831645783. Listed at 20 retailers as of October 27, 2026, with prices from €199 to €1,222, a €1,023 spread on the same certified stone. Brilliant Earth lists it at €1,222. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831645783
Dimensions7.80 × 5.38 × 3.62 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.80 mm5.38 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831645783
Side View
Table 63.0%Crown 40.5°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.3%

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: €1,222 EUR|Low: €196 EUR|High: €1,275 EUR|Avg: €621 EUR|-4.2%
Brilliant Earth
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
Retailer 20
October 29, 2026
Retailer 7€199 EUR
Retailer 11€223 EUR
Retailer 16€231 EUR
Retailer 4€246 EUR
Retailer 6€246 EUR
Retailer 3€332 EUR
Retailer 14€423 EUR
Retailer 19€427 EUR
Retailer 13€456 EUR
Retailer 20€556 EUR
Retailer 15€603 EUR
Retailer 9€792 EUR
Retailer 17€795 EUR
Retailer 18€808 EUR
Retailer 12€816 EUR
Retailer 10€840 EUR
Retailer 8€849 EUR
Retailer 2€992 EUR
Retailer 5€1,133 EUR
Brilliant Earth€1,222 EUR

37 data points across 20 retailers

20 retailers€199 EUR to €1,222 EUR

A
Cheapest Retailer
-
€199 EUR
$221 USD
A
Retailer 2
-
€223 EUR
$248 USD
View
Final sale: no returns
A
Retailer 3
-
€231 EUR
$257 USD
View
A
Retailer 4
-
€246 EUR
$274 USD
View
A
Retailer 5
-
€246 EUR
$274 USD
View
B+
Retailer 6
-
€332 EUR
$370 USD
View
A
Retailer 7
-
€423 EUR
ZAR 7,614 ZAR
View
A
Retailer 8
-
€427 EUR
View
A
Retailer 9
-
€456 EUR
£400 GBP
View
B+
Retailer 10
-
€556 EUR
$619 USD
View
B+
Retailer 11
-
€603 EUR
A$1,032 AUD
View
B+
Retailer 12
-
€792 EUR
$882 USD
View
B+
Retailer 13
-
€795 EUR
$885 USD
View
B+
Retailer 14
-
€808 EUR
$900 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
€816 EUR
A$1,397 AUD
View
Price last confirmed 24 days ago
B+
Retailer 16
-
€840 EUR
$935 USD
View
B+
Retailer 17
-
€849 EUR
$945 USD
View
B
Retailer 18
-
€992 EUR
£870 GBP
View
B
Retailer 19
-
€1,133 EUR
$1,261 USD
View
Most Expensive
B
Brilliant Earth
21123272A · Oct 28
€1,222 EUR
$1,360 USD
View
19 more retailers have this diamond
Prices start from €199 EURSave up to €1,023 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
€199 EUR