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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG828688726

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

Certificate IGI LG828688726

Diamond specifications and retailer prices

From €194 EUR
As of November 4, 2026
Save €1,392 EUR (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,586 EUR at Brilliant Earth · As of November 4, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828688726 or 828688726. Listed at 18 retailers as of November 4, 2026, with prices from €194 to €1,586, a €1,392 spread on the same certified stone. Brilliant Earth lists it at €1,586. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828688726
Dimensions7.54 × 5.37 × 3.58 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm5.37 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828688726
Side View
Table 65.0%Crown 47°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 66.7%

Caratlytics Score

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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: Nov 4
Current: €1,586 EUR|Low: €194 EUR|High: €1,773 EUR|Avg: €642 EUR|-10.6%
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
November 6, 2026
Retailer 14€194 EUR
Retailer 2€200 EUR
Retailer 11€241 EUR
Retailer 15€290 EUR
Retailer 5€372 EUR
Retailer 13€388 EUR
Retailer 3€395 EUR
Retailer 8€503 EUR
Retailer 4€526 EUR
Retailer 7€567 EUR
Retailer 16€692 EUR
Retailer 12€694 EUR
Retailer 10€720 EUR
Retailer 17€737 EUR
Retailer 9€958 EUR
Retailer 6€1,008 EUR
Brilliant Earth€1,586 EUR

24 data points across 17 retailers

18 retailers€194 EUR to €1,586 EUR

A
Cheapest Retailer
-
€194 EUR
Final sale: no returns
A
Retailer 2
-
€200 EUR
View
A
Retailer 3
-
€241 EUR
View
B+
Retailer 4
-
€290 EUR
View
A
Retailer 5
-
€372 EUR
View
A
Retailer 6
-
€388 EUR
View
A
Retailer 7
-
€395 EUR
View
A
Retailer 8
-
€503 EUR
View
B+
Retailer 9
-
€526 EUR
View
B+
Retailer 10
-
€567 EUR
View
B+
Retailer 11
-
€692 EUR
View
B+
Retailer 12
-
€694 EUR
View
B+
Retailer 13
-
€720 EUR
View
B+
Retailer 14
-
€737 EUR
View
Retailer 15
-
€866 EUR
View
Price last confirmed 29 days ago
Retailer 16
-
€958 EUR
View
Price last confirmed 19 days ago
B+
Retailer 17
-
€1,008 EUR
View
Most Expensive
B
Brilliant Earth
21325021A · Nov 4
€1,586 EUR
$1,780 USD
View
17 more retailers have this diamond
Prices start from €194 EURSave up to €1,392 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
€194 EUR