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Cushion|Lab Grown|IGI

1.23ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG807636336

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG807636336

Diamond specifications and retailer prices

From €194 EUR
$217 USD
As of October 31, 2026
Save €978 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,173 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807636336 or 807636336. Listed at 15 retailers as of October 28, 2026, with prices from €194 to €1,173, a €978 spread on the same certified stone. Brilliant Earth lists it at €1,173. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807636336
Dimensions6.26 × 6.13 × 4.15 mm
L/W Ratio1.02
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
6.26 mm6.13 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807636336
Side View
Table 60.0%Crown 34.2°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €1,173 EUR|Low: €101 EUR|High: €1,173 EUR|Avg: €520 EUR|+14.9%
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 10€101 EUR
Retailer 13€194 EUR
Retailer 6€217 EUR
Retailer 2€289 EUR
Retailer 8€332 EUR
Retailer 12€360 EUR
Retailer 15€378 EUR
Retailer 11€391 EUR
Retailer 14€427 EUR
Retailer 7€504 EUR
Retailer 9€525 EUR
Retailer 5€529 EUR
Retailer 4€644 EUR
Retailer 3€672 EUR
Retailer 17€743 EUR
Retailer 18€981 EUR
Retailer 16€1,054 EUR
Brilliant Earth€1,173 EUR

18 data points across 18 retailers

15 retailers€194 EUR to €1,173 EUR

A
Cheapest Retailer
-
€194 EUR
$217 USD
Final sale: no returns
A
Retailer 2
-
€217 EUR
$242 USD
View
A
Retailer 3
-
€289 EUR
£254 GBP
View
A
Retailer 4
-
€360 EUR
View
A
Retailer 5
-
€378 EUR
$422 USD
View
A
Retailer 6
-
€391 EUR
£344 GBP
View
A
Retailer 7
-
€427 EUR
$477 USD
View
B+
Retailer 8
-
€504 EUR
$563 USD
View
Retailer 9
-
€529 EUR
A$910 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
€644 EUR
$720 USD
View
B+
Retailer 11
-
€672 EUR
A$1,155 AUD
View
B+
Retailer 12
-
€743 EUR
$830 USD
View
B
Retailer 13
-
€981 EUR
£863 GBP
View
B
Retailer 14
-
€1,054 EUR
$1,177 USD
View
Most Expensive
B
Brilliant Earth
20079257A · Oct 28
€1,173 EUR
$1,310 USD
View
14 more retailers have this diamond
Prices start from €194 EURSave up to €978 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
€194 EUR