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Cushion|Lab Grown|IGI

1.28ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG831687239

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831687239

Diamond specifications and retailer prices

From €212 EUR
As of November 4, 2026
Save €1,375 EUR (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,587 EUR at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion 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 LG831687239 or 831687239. Listed at 16 retailers as of November 4, 2026, with prices from €212 to €1,587, a €1,375 spread on the same certified stone. Helzberg Diamonds lists it at €1,587. 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 angle34.8°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831687239
Dimensions7.72 × 5.53 × 3.71 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.72 mm5.53 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831687239
Side View
Table 60.0%Crown 34.8°Girdle: STK-THKPavilion 35.2°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €1,587 EUR|Low: €202 EUR|High: €1,587 EUR|Avg: €663 EUR
Helzberg Diamonds
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
November 5, 2026
Retailer 3€212 EUR
Retailer 9€267 EUR
Retailer 14€399 EUR
Retailer 4€404 EUR
Retailer 12€406 EUR
Retailer 2€430 EUR
Retailer 15€453 EUR
Retailer 5€571 EUR
Retailer 10€574 EUR
Retailer 11€616 EUR
Retailer 6€769 EUR
Retailer 8€802 EUR
Retailer 16€892 EUR
Retailer 13€942 EUR
Retailer 7€1,163 EUR
Helzberg Diamonds€1,587 EUR

14 data points across 16 retailers

16 retailers€212 EUR to €1,587 EUR

A
Cheapest Retailer
-
€212 EUR
Final sale: no returns
A
Retailer 2
-
€267 EUR
View
A
Retailer 3
-
€399 EUR
View
A
Retailer 4
-
€404 EUR
View
A
Retailer 5
-
€406 EUR
View
A
Retailer 6
-
€430 EUR
View
A
Retailer 7
-
€453 EUR
View
A
Retailer 8
-
€571 EUR
View
A
Retailer 9
-
€574 EUR
View
B+
Retailer 10
-
€616 EUR
View
B+
Retailer 11
-
€769 EUR
View
B+
Retailer 12
-
€802 EUR
View
Retailer 13
-
€892 EUR
View
Price last confirmed 8 days ago
B+
Retailer 14
-
€942 EUR
View
B
Retailer 15
-
€1,163 EUR
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMONIJP · Nov 4
€1,587 EUR
$1,788 USD
View
15 more retailers have this diamond
Prices start from €212 EURSave up to €1,375 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 Cushion
€212 EUR