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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 €196 EUR
$219 USD
As of November 1, 2026
Save €1,397 EUR (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,593 EUR at Brilliant Earth · As of October 31, 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 October 31, 2026, with prices from €196 to €1,593, a €1,397 spread on the same certified stone. Brilliant Earth lists it at €1,593. 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
Color
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

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: Nov 1
Current: €1,593 EUR|Low: €174 EUR|High: €1,781 EUR|Avg: €683 EUR|-2.7%
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
November 1, 2026
Retailer 16€196 EUR
Retailer 15€202 EUR
Retailer 12€247 EUR
Retailer 17€294 EUR
Retailer 2€374 EUR
Retailer 13€396 EUR
Retailer 14€406 EUR
Retailer 5€506 EUR
Retailer 9€541 EUR
Retailer 4€569 EUR
Retailer 18€699 EUR
Retailer 7€707 EUR
Retailer 3€731 EUR
Retailer 6€744 EUR
Retailer 10€870 EUR
Retailer 8€962 EUR
Retailer 11€1,013 EUR
Brilliant Earth€1,593 EUR

27 data points across 18 retailers

18 retailers€196 EUR to €1,593 EUR

A
Cheapest Retailer
-
€196 EUR
$219 USD
Final sale: no returns
A
Retailer 2
-
€202 EUR
$226 USD
View
A
Retailer 3
-
€247 EUR
£217 GBP
View
B+
Retailer 4
-
€294 EUR
$328 USD
View
A
Retailer 5
-
€374 EUR
ZAR 6,750 ZAR
View
A
Retailer 6
-
€396 EUR
£348 GBP
View
A
Retailer 7
-
€406 EUR
View
A
Retailer 8
-
€506 EUR
$565 USD
View
Retailer 9
-
€541 EUR
A$930 AUD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
€569 EUR
$636 USD
View
B+
Retailer 11
-
€699 EUR
$781 USD
View
B+
Retailer 12
-
€707 EUR
SGD 1,068 SGD
View
B+
Retailer 13
-
€731 EUR
$817 USD
View
B+
Retailer 14
-
€744 EUR
$832 USD
View
Retailer 15
-
€870 EUR
A$1,496 AUD
View
Price last confirmed 25 days ago
Retailer 16
-
€962 EUR
$1,075 USD
View
Price last confirmed 14 days ago
B+
Retailer 17
-
€1,013 EUR
£891 GBP
View
Most Expensive
B
Brilliant Earth
21325021A · Oct 31
€1,593 EUR
$1,780 USD
View
17 more retailers have this diamond
Prices start from €196 EURSave up to €1,397 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
€196 EUR