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Cushion|Lab Grown|IGI

1.23ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG837628359

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837628359

Diamond specifications and retailer prices

From €562 EUR
$628 USD
As of November 1, 2026
Save €1,568 EUR (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,130 EUR at Yadav Diamonds · As of October 30, 2026
View at Yadav 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837628359 or 837628359. Listed at 11 retailers as of October 30, 2026, with prices from €562 to €2,130, a €1,568 spread on the same certified stone. Yadav Diamonds lists it at €2,130. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837628359
Dimensions7.43 × 5.76 × 3.83 mm
L/W Ratio1.29
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
7.43 mm5.76 mm1.23 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837628359
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
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 1
Current: €1,251 EUR|Low: €352 EUR|High: €2,130 EUR|Avg: €968 EUR
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
Retailer 18
Yadav Diamonds
October 8, 2026
Retailer 9€352 EUR
Retailer 16€370 EUR
Retailer 5€492 EUR
Retailer 6€532 EUR
Retailer 17€546 EUR
Retailer 13€562 EUR
Retailer 18€605 EUR
Retailer 7€625 EUR
Retailer 2€729 EUR
Retailer 12€761 EUR
Retailer 8€1,181 EUR
Retailer 10€1,250 EUR
Retailer 1€1,251 EUR
Retailer 4€1,410 EUR
Retailer 3€1,438 EUR
Retailer 11€1,478 EUR
Retailer 15€1,542 EUR
Retailer 14€1,996 EUR
Yadav Diamonds€2,130 EUR

11 data points across 19 retailers

11 retailers€562 EUR to €2,130 EUR

Retailer 1
-
€370 EUR
£325 GBP
Price last confirmed 30 days ago
Retailer 2
-
€532 EUR
$594 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
€562 EUR
$628 USD
View
Retailer 4
-
€605 EUR
ZAR 10,928 ZAR
View
Price last confirmed 31 days ago
A
Retailer 5
-
€761 EUR
$850 USD
View
B+
Retailer 6
-
€1,251 EUR
CA$1,942 CAD
View
Retailer 7
-
€1,438 EUR
£1,265 GBP
View
Price last confirmed 32 days ago
B
Retailer 8
-
€1,478 EUR
$1,651 USD
View
Retailer 9
-
€1,542 EUR
A$2,651 AUD
View
Price last confirmed 29 days ago
Retailer 10
-
€1,996 EUR
$2,230 USD
View
Price last confirmed 28 days ago
Most Expensive
B
Yadav Diamonds
13312131 · Oct 30
€2,130 EUR
$2,380 USD
View
10 more retailers have this diamond
Prices start from €562 EURSave up to €1,568 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
€562 EUR