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Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG834604284

Shape and cutting style on the report: Round brilliant

Certificate IGI LG834604284

Diamond specifications and retailer prices

From €416 EUR
As of November 5, 2026
Save €1,865 EUR (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,281 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.25ct lab-grown round diamond

This 1.25ct 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 LG834604284 or 834604284. Listed at 19 retailers as of November 5, 2026, with prices from €416 to €2,281, a €1,865 spread on the same certified stone. Brilliant Earth lists it at €2,281. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834604284
Dimensions6.96 × 6.98 × 4.25 mm
L/W Ratio1.00
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
6.96 mm6.98 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834604284
Side View
Table 59.0%Crown 33.6°Girdle: MediumPavilion 41.4°Culet: NoneDepth 60.9%

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 5
Current: €2,281 EUR|Low: €416 EUR|High: €2,281 EUR|Avg: €1,132 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
Retailer 19
November 6, 2026
Retailer 18€416 EUR
Retailer 3€465 EUR
Retailer 6€466 EUR
Retailer 7€516 EUR
Retailer 17€641 EUR
Retailer 10€693 EUR
Retailer 9€716 EUR
Retailer 8€736 EUR
Retailer 12€813 EUR
Retailer 2€844 EUR
Retailer 16€1,181 EUR
Retailer 13€1,261 EUR
Retailer 19€1,386 EUR
Retailer 5€1,637 EUR
Retailer 4€1,657 EUR
Retailer 11€1,684 EUR
Retailer 15€1,821 EUR
Retailer 14€1,888 EUR
Brilliant Earth€2,281 EUR

8 data points across 19 retailers

19 retailers€416 EUR to €2,281 EUR

A
Cheapest Retailer
-
€416 EUR
A
Retailer 2
-
€465 EUR
View
Final sale: no returns
A
Retailer 3
-
€466 EUR
View
A
Retailer 4
-
€516 EUR
View
A
Retailer 5
-
€641 EUR
View
A
Retailer 6
-
€693 EUR
View
B+
Retailer 7
-
€716 EUR
View
A
Retailer 8
-
€736 EUR
View
B+
Retailer 9
-
€813 EUR
View
B+
Retailer 10
-
€844 EUR
View
B+
Retailer 11
-
€1,181 EUR
View
B
Retailer 12
-
€1,261 EUR
View
B
Retailer 13
-
€1,386 EUR
View
B
Retailer 14
-
€1,637 EUR
View
B
Retailer 15
-
€1,657 EUR
View
B
Retailer 16
-
€1,684 EUR
View
B
Retailer 17
-
€1,821 EUR
View
B
Retailer 18
-
€1,888 EUR
View
Most Expensive
B
Brilliant Earth
22370251A · Nov 5
€2,281 EUR
$2,560 USD
View
18 more retailers have this diamond
Prices start from €416 EURSave up to €1,865 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
1.25ct Round
€416 EUR