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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG836665002

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

Certificate IGI LG836665002

Diamond specifications and retailer prices

From €175 EUR
$195 USD
As of October 27, 2026
Save €921 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,096 EUR at Brilliant Earth · As of October 26, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836665002 or 836665002. Listed at 19 retailers as of October 26, 2026, with prices from €175 to €1,096, a €921 spread on the same certified stone. Brilliant Earth lists it at €1,096. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836665002
Dimensions7.81 × 5.26 × 3.62 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.26 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836665002
Side View
Table 65.0%Crown 45.1°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.8%

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: €1,096 EUR|Low: €175 EUR|High: €1,096 EUR|Avg: €508 EUR
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 29, 2026
Retailer 3€175 EUR
Retailer 4€195 EUR
Retailer 18€203 EUR
Retailer 16€217 EUR
Retailer 17€217 EUR
Retailer 13€273 EUR
Retailer 14€373 EUR
Retailer 5€379 EUR
Retailer 2€395 EUR
Retailer 8€429 EUR
Retailer 19€508 EUR
Retailer 15€530 EUR
Retailer 11€580 EUR
Retailer 10€698 EUR
Retailer 7€700 EUR
Retailer 9€746 EUR
Retailer 12€1,020 EUR
Retailer 6€1,058 EUR
Brilliant Earth€1,096 EUR

9 data points across 19 retailers

19 retailers€175 EUR to €1,096 EUR

A
Cheapest Retailer
-
€175 EUR
$195 USD
A
Retailer 2
-
€195 EUR
$217 USD
View
Final sale: no returns
A
Retailer 3
-
€203 EUR
$226 USD
View
A
Retailer 4
-
€217 EUR
$242 USD
View
A
Retailer 5
-
€217 EUR
$242 USD
View
A
Retailer 6
-
€273 EUR
£240 GBP
View
A
Retailer 7
-
€373 EUR
ZAR 6,703 ZAR
View
A
Retailer 8
-
€379 EUR
$422 USD
View
A
Retailer 9
-
€395 EUR
£346 GBP
View
A
Retailer 10
-
€429 EUR
$478 USD
View
B+
Retailer 11
-
€508 EUR
$565 USD
View
B+
Retailer 12
-
€530 EUR
A$907 AUD
View
B+
Retailer 13
-
€580 EUR
$645 USD
View
Price last confirmed 8 days ago
B
Retailer 14
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€698 EUR
$777 USD
View
B
Retailer 15
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€700 EUR
$779 USD
View
B
Retailer 16
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€746 EUR
$830 USD
View
B
Retailer 17
-
€1,020 EUR
£894 GBP
View
B
Retailer 18
-
€1,058 EUR
$1,177 USD
View
Most Expensive
B
Brilliant Earth
22221917A · Oct 26
€1,096 EUR
$1,220 USD
View
18 more retailers have this diamond
Prices start from €175 EURSave up to €921 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
€175 EUR