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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 €214 EUR
$239 USD
As of October 30, 2026
Save €1,386 EUR (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,600 EUR at Helzberg Diamonds · As of October 30, 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 October 30, 2026, with prices from €214 to €1,600, a €1,386 spread on the same certified stone. Helzberg Diamonds lists it at €1,600. 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 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,600 EUR|Low: €204 EUR|High: €1,600 EUR|Avg: €673 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
October 31, 2026
Retailer 15€214 EUR
Retailer 11€271 EUR
Retailer 2€402 EUR
Retailer 3€407 EUR
Retailer 16€407 EUR
Retailer 9€439 EUR
Retailer 13€456 EUR
Retailer 4€576 EUR
Retailer 5€579 EUR
Retailer 10€615 EUR
Retailer 6€776 EUR
Retailer 8€809 EUR
Retailer 14€900 EUR
Retailer 12€955 EUR
Retailer 7€1,173 EUR
Helzberg Diamonds€1,600 EUR

9 data points across 16 retailers

16 retailers€214 EUR to €1,600 EUR

A
Cheapest Retailer
-
€214 EUR
$239 USD
Final sale: no returns
A
Retailer 2
-
€271 EUR
£239 GBP
View
A
Retailer 3
-
€402 EUR
View
A
Retailer 4
-
€407 EUR
ZAR 7,348 ZAR
View
A
Retailer 5
-
€407 EUR
$455 USD
View
A
Retailer 6
-
€439 EUR
£386 GBP
View
A
Retailer 7
-
€456 EUR
$510 USD
View
A
Retailer 8
-
€576 EUR
$643 USD
View
A
Retailer 9
-
€579 EUR
A$996 AUD
View
B+
Retailer 10
-
€615 EUR
$687 USD
View
B+
Retailer 11
-
€776 EUR
SGD 1,171 SGD
View
B+
Retailer 12
-
€809 EUR
$904 USD
View
B+
Retailer 13
-
€900 EUR
$1,005 USD
View
B+
Retailer 14
-
€955 EUR
£840 GBP
View
B
Retailer 15
-
€1,173 EUR
$1,310 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMONIJP · Oct 30
€1,600 EUR
$1,788 USD
View
15 more retailers have this diamond
Prices start from €214 EURSave up to €1,386 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
€214 EUR