Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG781641923

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781641923

Diamond specifications and retailer prices

From €324 EUR
As of November 4, 2026
Save €1,115 EUR (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,093 EUR at Queensmith · As of October 27, 2026
View at Queensmith

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 LG781641923 or 781641923. Listed at 21 retailers as of November 4, 2026, with a 344% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781641923
Dimensions6.88 × 6.84 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.88 mm6.84 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781641923
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €636 EUR|Low: €324 EUR|High: €1,459 EUR|Avg: €795 EUR|+2.3%
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
November 6, 2026
Retailer 3€324 EUR
Retailer 14€486 EUR
Retailer 13€499 EUR
Retailer 7€568 EUR
Retailer 10€584 EUR
Retailer 11€621 EUR
Retailer 1€636 EUR
Retailer 6€692 EUR
Retailer 9€886 EUR
Retailer 2€1,057 EUR
Retailer 5€1,070 EUR
Retailer 12€1,243 EUR
Retailer 4€1,422 EUR
Retailer 8€1,440 EUR

39 data points across 14 retailers

21 retailers€324 EUR to €1,440 EUR

Retailer 1
-
€290 EUR
Price last confirmed 27 days ago
A
Retailer 2
-
€324 EUR
View
Final sale: no returns
Retailer 3
-
€337 EUR
View
Price last confirmed 24 days ago
Retailer 4
-
€360 EUR
View
Price last confirmed 21 days ago
Retailer 5
-
€360 EUR
View
Price last confirmed 35 days ago
A
Retailer 6
-
€486 EUR
View
A
Retailer 7
-
€499 EUR
View
A
Retailer 8
-
€568 EUR
View
A
Retailer 9
-
€584 EUR
View
A
Retailer 10
-
€621 EUR
View
A
Retailer 11
-
€636 EUR
View
A
Retailer 12
-
€692 EUR
View
B+
Retailer 13
-
€886 EUR
View
B+
Retailer 14
-
€1,057 EUR
View
Retailer 15
-
€1,070 EUR
View
Price last confirmed 32 days ago
Retailer 16
-
€1,158 EUR
View
Price last confirmed 37 days ago
B+
Retailer 17
-
€1,197 EUR
View
B
Retailer 18
-
€1,243 EUR
View
B
Retailer 19
-
€1,422 EUR
View
B+
Retailer 20
-
€1,440 EUR
View
Most Expensive
Queensmith
LG781641923 · Oct 27
€2,093 EUR
£1,850 GBP
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from €324 EURSave up to €1,115 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
€324 EUR