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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 30, 2026
Save €917 EUR (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,092 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 20 retailers as of October 26, 2026, with prices from €175 to €1,092, a €917 spread on the same certified stone. Brilliant Earth lists it at €1,092. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,092 EUR|Low: €175 EUR|High: €1,092 EUR|Avg: €507 EUR
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 10
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Retailer 12
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Retailer 20
November 1, 2026
Retailer 4€175 EUR
Retailer 5€194 EUR
Retailer 20€202 EUR
Retailer 18€217 EUR
Retailer 19€217 EUR
Retailer 14€272 EUR
Retailer 16€371 EUR
Retailer 6€378 EUR
Retailer 13€384 EUR
Retailer 2€395 EUR
Retailer 9€428 EUR
Retailer 3€506 EUR
Retailer 17€528 EUR
Retailer 12€577 EUR
Retailer 11€695 EUR
Retailer 8€697 EUR
Retailer 10€743 EUR
Retailer 15€1,016 EUR
Retailer 7€1,054 EUR
Brilliant Earth€1,092 EUR

12 data points across 20 retailers

20 retailers€175 EUR to €1,092 EUR

A
Cheapest Retailer
-
€175 EUR
$195 USD
A
Retailer 2
-
€194 EUR
$217 USD
View
Final sale: no returns
A
Retailer 3
-
€202 EUR
$226 USD
View
A
Retailer 4
-
€217 EUR
$242 USD
View
A
Retailer 5
-
€217 EUR
$242 USD
View
A
Retailer 6
-
€272 EUR
£239 GBP
View
A
Retailer 7
-
€371 EUR
ZAR 6,703 ZAR
View
A
Retailer 8
-
€378 EUR
$422 USD
View
A
Retailer 9
-
€384 EUR
View
A
Retailer 10
-
€395 EUR
£347 GBP
View
A
Retailer 11
-
€428 EUR
$478 USD
View
B+
Retailer 12
-
€506 EUR
$565 USD
View
B+
Retailer 13
-
€528 EUR
A$907 AUD
View
Retailer 14
-
€577 EUR
$645 USD
View
Price last confirmed 10 days ago
B
Retailer 15
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€695 EUR
$777 USD
View
B
Retailer 16
-
€697 EUR
$779 USD
View
B
Retailer 17
-
€743 EUR
$830 USD
View
B
Retailer 18
-
€1,016 EUR
£894 GBP
View
B
Retailer 19
-
€1,054 EUR
$1,177 USD
View
Most Expensive
B
Brilliant Earth
22221917A · Oct 26
€1,092 EUR
$1,220 USD
View
19 more retailers have this diamond
Prices start from €175 EURSave up to €917 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