Cushion|Lab Grown|IGI

1.23ct D VVS1 Cushion Lab Grown Diamond

VG • D/VVS1 • IGI LG840629726

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629726

Diamond specifications and retailer prices

From €205 EUR
As of November 4, 2026
Save €1,326 EUR (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,531 EUR at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG840629726 or 840629726. Listed at 15 retailers as of November 4, 2026, with prices from €205 to €1,531, a €1,326 spread on the same certified stone. Helzberg Diamonds lists it at €1,531. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629726
Dimensions7.87 × 5.31 × 3.65 mm
L/W Ratio1.48
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
7.87 mm5.31 mm1.23 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629726
Side View
Table 64.0%Crown 32.1°Girdle: STK-THKPavilion 36°Culet: NoneDepth 68.7%

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: €1,531 EUR|Low: €205 EUR|High: €1,531 EUR|Avg: €609 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
November 5, 2026
Retailer 3€205 EUR
Retailer 7€258 EUR
Retailer 11€385 EUR
Retailer 10€391 EUR
Retailer 13€392 EUR
Retailer 8€414 EUR
Retailer 14€531 EUR
Retailer 5€555 EUR
Retailer 9€592 EUR
Retailer 4€742 EUR
Retailer 6€777 EUR
Retailer 12€856 EUR
Retailer 2€907 EUR
Helzberg Diamonds€1,531 EUR

11 data points across 14 retailers

15 retailers€205 EUR to €1,531 EUR

A
Cheapest Retailer
-
€205 EUR
Final sale: no returns
A
Retailer 2
-
€258 EUR
View
A
Retailer 3
-
€385 EUR
View
A
Retailer 4
-
€391 EUR
View
A
Retailer 5
-
€392 EUR
View
A
Retailer 6
-
€414 EUR
View
B+
Retailer 7
-
€531 EUR
View
Retailer 8
-
€555 EUR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
€592 EUR
View
B
Retailer 10
-
€742 EUR
View
B
Retailer 11
-
€777 EUR
View
Retailer 12
-
€856 EUR
View
Price last confirmed 8 days ago
B
Retailer 13
-
€907 EUR
View
B
Retailer 14
-
€1,118 EUR
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMIPNIM · Nov 4
€1,531 EUR
$1,725 USD
View
14 more retailers have this diamond
Prices start from €205 EURSave up to €1,326 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
1.23ct Cushion
€205 EUR