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Round|Lab Grown|IGI

1.26ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG766651721

Shape and cutting style on the report: Round brilliant

Certificate IGI LG766651721

Diamond specifications and retailer prices

From €388 EUR
As of November 5, 2026
Save €1,901 EUR (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,290 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG766651721 or 766651721. Listed at 22 retailers as of November 5, 2026, with prices from €388 to €2,290, a €1,901 spread on the same certified stone. Brilliant Earth lists it at €2,290. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766651721
Dimensions6.99 × 7.02 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
6.99 mm7.02 mm1.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766651721
Side View
Table 60.0%Crown 33.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.5%

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: Nov 5
Current: €2,290 EUR|Low: €380 EUR|High: €2,290 EUR|Avg: €1,000 EUR
Brilliant Earth
Retailer 2
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Retailer 22
November 6, 2026
Retailer 4€388 EUR
Retailer 10€434 EUR
Retailer 11€435 EUR
Retailer 3€482 EUR
Retailer 5€482 EUR
Retailer 22€524 EUR
Retailer 20€610 EUR
Retailer 6€685 EUR
Retailer 8€736 EUR
Retailer 12€758 EUR
Retailer 17€767 EUR
Retailer 2€785 EUR
Retailer 19€830 EUR
Retailer 13€1,177 EUR
Retailer 16€1,207 EUR
Retailer 21€1,351 EUR
Retailer 15€1,528 EUR
Retailer 7€1,548 EUR
Retailer 9€1,578 EUR
Retailer 14€1,734 EUR
Retailer 18€1,769 EUR
Brilliant Earth€2,290 EUR

43 data points across 22 retailers

22 retailers€388 EUR to €2,290 EUR

A
Cheapest Retailer
-
€388 EUR
A
Retailer 2
-
€434 EUR
View
Final sale: no returns
A
Retailer 3
-
€435 EUR
View
A
Retailer 4
-
€482 EUR
View
Retailer 5
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€482 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
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€524 EUR
View
A
Retailer 7
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€610 EUR
View
A
Retailer 8
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€685 EUR
View
A
Retailer 9
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€736 EUR
View
A
Retailer 10
-
€758 EUR
View
B+
Retailer 11
-
€767 EUR
View
B+
Retailer 12
-
€785 EUR
View
B+
Retailer 13
-
€830 EUR
View
B+
Retailer 14
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€1,177 EUR
View
B+
Retailer 15
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€1,207 EUR
View
B
Retailer 16
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€1,351 EUR
View
B
Retailer 17
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€1,528 EUR
View
B
Retailer 18
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€1,548 EUR
View
B
Retailer 19
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€1,578 EUR
View
B
Retailer 20
-
€1,734 EUR
View
B+
Retailer 21
-
€1,769 EUR
View
Most Expensive
B
Brilliant Earth
19056635A · Nov 5
€2,290 EUR
$2,570 USD
View
21 more retailers have this diamond
Prices start from €388 EURSave up to €1,901 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 Round
€388 EUR