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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG729520612

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

Certificate IGI LG729520612

Diamond specifications and retailer prices

From €260 EUR
As of November 4, 2026
Save €2,270 EUR (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €2,530 EUR at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG729520612 or 729520612. Listed at 24 retailers as of November 4, 2026, with prices from €260 to €2,530, a €2,270 spread on the same certified stone. Do Amore Diamonds lists it at €2,530. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729520612
Dimensions5.30 × 5.30 × 3.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.30 mm5.30 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729520612
Side View
Table 62.0%Crown 48.6°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 63.0%

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 4
Current: €403 EUR|Low: €249 EUR|High: €1,440 EUR|Avg: €716 EUR|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 3€260 EUR
Retailer 4€322 EUR
Retailer 1€403 EUR
Retailer 2€463 EUR
Retailer 9€613 EUR
Retailer 11€624 EUR
Retailer 6€628 EUR
Retailer 8€873 EUR
Retailer 10€936 EUR
Retailer 12€989 EUR
Retailer 13€990 EUR
Retailer 5€1,143 EUR
Retailer 7€1,421 EUR

38 data points across 13 retailers

24 retailers€260 EUR to €2,530 EUR

A
Cheapest Retailer
-
€260 EUR
A
Retailer 2
-
€290 EUR
View
Final sale: no returns
A
Retailer 3
-
€301 EUR
View
A
Retailer 4
-
€322 EUR
View
Retailer 5
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€322 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
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€403 EUR
View
A
Retailer 7
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€404 EUR
View
A
Retailer 8
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€430 EUR
View
A
Retailer 9
-
€463 EUR
View
A
Retailer 10
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€463 EUR
View
B+
Retailer 11
-
€613 EUR
View
B+
Retailer 12
-
€624 EUR
View
B+
Retailer 13
-
€628 EUR
View
B+
Retailer 14
-
€873 EUR
View
Retailer 15
-
€936 EUR
View
Price last confirmed 8 days ago
Retailer 16
-
€989 EUR
View
Price last confirmed 19 days ago
B
Retailer 17
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€990 EUR
View
B
Retailer 18
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€1,143 EUR
View
B
Retailer 19
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€1,287 EUR
View
B
Retailer 20
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€1,319 EUR
View
B
Retailer 21
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€1,385 EUR
View
B
Retailer 22
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€1,421 EUR
View
B
Retailer 23
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€2,308 EUR
View
Most Expensive
B
Do Amore Diamonds
23-729520612 · Nov 4
€2,530 EUR
$2,840 USD
View
23 more retailers have this diamond
Prices start from €260 EURSave up to €2,270 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
€260 EUR