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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 €326 EUR
$364 USD
As of October 30, 2026
Save €1,777 EUR (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,103 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 October 27, 2026, with prices from €326 to €2,103, a €1,777 spread on the same certified stone. Queensmith lists it at €2,103. 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
Color
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €646 EUR|Low: €326 EUR|High: €1,488 EUR|Avg: €826 EUR|+3.6%
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 1, 2026
Retailer 2€326 EUR
Retailer 12€488 EUR
Retailer 8€501 EUR
Retailer 9€576 EUR
Retailer 7€586 EUR
Retailer 11€622 EUR
Retailer 1€646 EUR
Retailer 5€695 EUR
Retailer 10€879 EUR
Retailer 14€1,062 EUR
Retailer 4€1,075 EUR
Retailer 6€1,204 EUR
Retailer 3€1,429 EUR
Retailer 13€1,453 EUR

42 data points across 14 retailers

21 retailers€326 EUR to €2,103 EUR

Retailer 1
-
€292 EUR
$326 USD
Price last confirmed 22 days ago
A
Retailer 2
-
€326 EUR
$364 USD
View
Final sale: no returns
Retailer 3
-
€338 EUR
$378 USD
View
Price last confirmed 19 days ago
Retailer 4
-
€362 EUR
$404 USD
View
Price last confirmed 16 days ago
Retailer 5
-
€362 EUR
$404 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
€488 EUR
$545 USD
View
A
Retailer 7
-
€501 EUR
$560 USD
View
A
Retailer 8
-
€576 EUR
£507 GBP
View
A
Retailer 9
-
€586 EUR
View
A
Retailer 10
-
€622 EUR
ZAR 11,227 ZAR
View
A
Retailer 11
-
€646 EUR
£568 GBP
View
A
Retailer 12
-
€695 EUR
$777 USD
View
B+
Retailer 13
-
€879 EUR
A$1,511 AUD
View
B+
Retailer 14
-
€1,062 EUR
$1,186 USD
View
Retailer 15
-
€1,075 EUR
A$1,848 AUD
View
Price last confirmed 27 days ago
Retailer 16
-
€1,164 EUR
$1,300 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
€1,204 EUR
$1,345 USD
View
Retailer 18
-
€1,274 EUR
$1,423 USD
View
Price last confirmed 66 days ago
B
Retailer 19
-
€1,429 EUR
$1,596 USD
View
B+
Retailer 20
-
€1,453 EUR
£1,278 GBP
View
Most Expensive
B
Queensmith
LG781641923 · Oct 27
€2,103 EUR
£1,850 GBP
View
20 more retailers have this diamond
Prices start from €326 EURSave up to €1,777 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
€326 EUR