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Cushion|Lab Grown|IGI

1.26ct D FL Cushion Lab Grown Diamond

VG • D/FL • IGI LG840634410

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840634410

Diamond specifications and retailer prices

From €422 EUR
$471 USD
As of November 1, 2026
Save €1,732 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,154 EUR at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.26ct lab-grown cushion diamond

This 1.26ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG840634410 or 840634410. Listed at 13 retailers as of November 1, 2026, with prices from €422 to €2,154, a €1,732 spread on the same certified stone. Helzberg Diamonds lists it at €2,154. 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

1.26
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634410
Dimensions8.01 × 5.39 × 3.71 mm
L/W Ratio1.49
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
8.01 mm5.39 mm1.26 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634410
Side View
Table 55.0%Crown 35°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 68.8%

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: €2,154 EUR|Low: €422 EUR|High: €2,154 EUR|Avg: €1,024 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
November 1, 2026
Retailer 13€422 EUR
Retailer 6€467 EUR
Retailer 3€661 EUR
Retailer 10€685 EUR
Retailer 8€696 EUR
Retailer 4€718 EUR
Retailer 7€745 EUR
Retailer 9€779 EUR
Retailer 11€788 EUR
Retailer 12€1,488 EUR
Retailer 5€1,572 EUR
Retailer 2€1,771 EUR
Helzberg Diamonds€2,154 EUR

14 data points across 13 retailers

13 retailers€422 EUR to €2,154 EUR

A
Cheapest Retailer
-
€422 EUR
$471 USD
Final sale: no returns
A
Retailer 2
-
€467 EUR
£411 GBP
View
A
Retailer 3
-
€661 EUR
$738 USD
View
A
Retailer 4
-
€685 EUR
$765 USD
View
A
Retailer 5
-
€696 EUR
View
A
Retailer 6
-
€718 EUR
$802 USD
View
A
Retailer 7
-
€745 EUR
£656 GBP
View
A
Retailer 8
-
€779 EUR
ZAR 14,059 ZAR
View
A
Retailer 9
-
€788 EUR
$880 USD
View
B+
Retailer 10
-
€1,488 EUR
$1,663 USD
View
B
Retailer 11
-
€1,572 EUR
SGD 2,373 SGD
View
B
Retailer 12
-
€1,771 EUR
£1,558 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJKKHG · Nov 1
€2,154 EUR
$2,406 USD
View
12 more retailers have this diamond
Prices start from €422 EURSave up to €1,732 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
1.26ct Cushion
€422 EUR