CaratHunter
Plans
Cushion|Lab Grown|IGI

1.23ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG803693505

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

Certificate IGI LG803693505

Diamond specifications and retailer prices

From €226 EUR
$252 USD
As of November 1, 2026
Save €828 EUR (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,054 EUR at Reve Diamonds · As of November 1, 2026
View at Reve 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803693505 or 803693505. Listed at 18 retailers as of November 1, 2026, with prices from €226 to €1,054, a €828 spread on the same certified stone. Reve Diamonds lists it at €1,054. 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 angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803693505
Dimensions6.17 × 6.12 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.17 mm6.12 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803693505
Side View
Table 62.0%Crown 35.3°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €226 EUR|Low: €188 EUR|High: €1,091 EUR|Avg: €552 EUR|+4.6%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 1, 2026
Retailer 9€209 EUR
Retailer 1€226 EUR
Retailer 11€289 EUR
Retailer 13€360 EUR
Retailer 10€373 EUR
Retailer 2€378 EUR
Retailer 12€391 EUR
Retailer 15€427 EUR
Retailer 16€504 EUR
Retailer 7€509 EUR
Retailer 14€562 EUR
Retailer 5€644 EUR
Retailer 6€672 EUR
Retailer 17€716 EUR
Retailer 4€743 EUR
Retailer 3€846 EUR
Retailer 8€976 EUR
Reve Diamonds€1,054 EUR

25 data points across 18 retailers

18 retailers€226 EUR to €1,054 EUR

Retailer 1
-
€209 EUR
$233 USD
Price last confirmed 8 days ago
A
Retailer 2
-
€226 EUR
$252 USD
View
Final sale: no returns
A
Retailer 3
-
€289 EUR
£254 GBP
View
A
Retailer 4
-
€360 EUR
View
A
Retailer 5
-
€373 EUR
ZAR 6,737 ZAR
View
A
Retailer 6
-
€378 EUR
$422 USD
View
A
Retailer 7
-
€391 EUR
£344 GBP
View
A
Retailer 8
-
€427 EUR
$477 USD
View
B+
Retailer 9
-
€504 EUR
$563 USD
View
B+
Retailer 10
-
€509 EUR
A$875 AUD
View
B+
Retailer 11
-
€562 EUR
$628 USD
View
B+
Retailer 12
-
€644 EUR
$720 USD
View
B+
Retailer 13
-
€672 EUR
A$1,155 AUD
View
B+
Retailer 14
-
€716 EUR
$800 USD
View
B
Retailer 15
-
€743 EUR
$830 USD
View
B
Retailer 16
-
€846 EUR
£744 GBP
View
B
Retailer 17
-
€976 EUR
£859 GBP
View
Most Expensive
B
Reve Diamonds
F119142B6 · Nov 1
€1,054 EUR
$1,177 USD
View
17 more retailers have this diamond
Prices start from €226 EURSave up to €828 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
€226 EUR