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Cushion|Lab Grown|IGI

1.23ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG825665167

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825665167

Diamond specifications and retailer prices

From €412 EUR
$460 USD
As of October 30, 2026
Save €1,719 EUR (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,130 EUR at Brilliant Earth · As of October 30, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825665167 or 825665167. Listed at 16 retailers as of October 30, 2026, with prices from €412 to €2,130, a €1,719 spread on the same certified stone. Brilliant Earth 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825665167
Dimensions8.02 × 5.34 × 3.67 mm
L/W Ratio1.50
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
8.02 mm5.34 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825665167
Side View
Table 61.0%Crown 32.6°Girdle: STK-THKPavilion 38.9°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: Oct 30
Current: €2,130 EUR|Low: €412 EUR|High: €2,482 EUR|Avg: €1,170 EUR|-10.5%
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
October 31, 2026
Retailer 15€412 EUR
Retailer 12€443 EUR
Retailer 2€577 EUR
Retailer 3€651 EUR
Retailer 10€701 EUR
Retailer 4€702 EUR
Retailer 9€728 EUR
Retailer 14€755 EUR
Retailer 11€762 EUR
Retailer 5€1,066 EUR
Retailer 7€1,428 EUR
Retailer 16€1,457 EUR
Retailer 6€1,541 EUR
Retailer 8€1,705 EUR
Retailer 13€1,735 EUR
Brilliant Earth€2,130 EUR

38 data points across 16 retailers

16 retailers€412 EUR to €2,130 EUR

A
Cheapest Retailer
-
€412 EUR
$460 USD
Final sale: no returns
A
Retailer 2
-
€443 EUR
$495 USD
View
A
Retailer 3
-
€577 EUR
$645 USD
View
A
Retailer 4
-
€651 EUR
$727 USD
View
A
Retailer 5
-
€701 EUR
View
A
Retailer 6
-
€702 EUR
$784 USD
View
A
Retailer 7
-
€728 EUR
£640 GBP
View
A
Retailer 8
-
€755 EUR
$843 USD
View
A
Retailer 9
-
€762 EUR
ZAR 13,747 ZAR
View
B+
Retailer 10
-
€1,066 EUR
$1,191 USD
View
Retailer 11
-
€1,428 EUR
$1,595 USD
View
Price last confirmed 17 days ago
B+
Retailer 12
-
€1,457 EUR
$1,628 USD
View
B+
Retailer 13
-
€1,541 EUR
SGD 2,326 SGD
View
Retailer 14
-
€1,705 EUR
£1,500 GBP
View
Price last confirmed 22 days ago
B+
Retailer 15
-
€1,735 EUR
£1,526 GBP
View
Most Expensive
B
Brilliant Earth
21434158A · Oct 30
€2,130 EUR
$2,380 USD
View
15 more retailers have this diamond
Prices start from €412 EURSave up to €1,719 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
€412 EUR