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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 €198 EUR
$221 USD
As of October 30, 2026
Save €1,020 EUR (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,217 EUR at Brilliant Earth · As of October 29, 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 29, 2026, with prices from €198 to €1,217, a €1,020 spread on the same certified stone. Brilliant Earth lists it at €1,217. 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 angle40.5°
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 30
Current: €1,217 EUR|Low: €195 EUR|High: €1,271 EUR|Avg: €619 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 30, 2026
Retailer 7€198 EUR
Retailer 11€222 EUR
Retailer 16€230 EUR
Retailer 4€245 EUR
Retailer 6€245 EUR
Retailer 3€331 EUR
Retailer 14€422 EUR
Retailer 19€426 EUR
Retailer 2€457 EUR
Retailer 20€554 EUR
Retailer 15€600 EUR
Retailer 9€789 EUR
Retailer 17€792 EUR
Retailer 18€806 EUR
Retailer 12€813 EUR
Retailer 10€837 EUR
Retailer 8€846 EUR
Retailer 13€989 EUR
Retailer 5€1,129 EUR
Brilliant Earth€1,217 EUR

37 data points across 20 retailers

20 retailers€198 EUR to €1,217 EUR

A
Cheapest Retailer
-
€198 EUR
$221 USD
A
Retailer 2
-
€222 EUR
$248 USD
View
Final sale: no returns
A
Retailer 3
-
€230 EUR
$257 USD
View
A
Retailer 4
-
€245 EUR
$274 USD
View
A
Retailer 5
-
€245 EUR
$274 USD
View
B+
Retailer 6
-
€331 EUR
$370 USD
View
A
Retailer 7
-
€422 EUR
ZAR 7,614 ZAR
View
Retailer 8
-
€426 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
-
€457 EUR
£402 GBP
View
B+
Retailer 10
-
€554 EUR
$619 USD
View
B+
Retailer 11
-
€600 EUR
A$1,032 AUD
View
B+
Retailer 12
-
€789 EUR
$882 USD
View
B+
Retailer 13
-
€792 EUR
$885 USD
View
Retailer 14
-
€806 EUR
$900 USD
View
Price last confirmed 10 days ago
Retailer 15
-
€813 EUR
A$1,397 AUD
View
Price last confirmed 27 days ago
B+
Retailer 16
-
€837 EUR
$935 USD
View
B+
Retailer 17
-
€846 EUR
$945 USD
View
B
Retailer 18
-
€989 EUR
£870 GBP
View
B
Retailer 19
-
€1,129 EUR
$1,261 USD
View
Most Expensive
B
Brilliant Earth
21123272A · Oct 29
€1,217 EUR
$1,360 USD
View
19 more retailers have this diamond
Prices start from €198 EURSave up to €1,020 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
€198 EUR