Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG837626274

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837626274

Diamond specifications and retailer prices

From €458 EUR
$512 USD
As of October 30, 2026
Save €1,413 EUR (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,282 EUR at Brilliant Earth · As of October 14, 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 LG837626274 or 837626274. Listed at 16 retailers as of October 25, 2026, with a 308% 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837626274
Dimensions6.87 × 6.90 × 4.28 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
6.87 mm6.90 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837626274
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €833 EUR|Low: €458 EUR|High: €1,888 EUR|Avg: €1,081 EUR|+2.1%
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 4€458 EUR
Retailer 12€636 EUR
Retailer 7€737 EUR
Retailer 3€775 EUR
Retailer 15€798 EUR
Retailer 9€809 EUR
Retailer 1€833 EUR
Retailer 11€874 EUR
Retailer 8€1,158 EUR
Retailer 10€1,239 EUR
Retailer 2€1,311 EUR
Retailer 13€1,367 EUR
Retailer 5€1,608 EUR
Retailer 6€1,663 EUR
Retailer 16€1,674 EUR
Retailer 14€1,871 EUR

18 data points across 16 retailers

16 retailers€458 EUR to €1,871 EUR

A
Cheapest Retailer
-
€458 EUR
$512 USD
Final sale: no returns
A
Retailer 2
-
€636 EUR
$710 USD
View
B+
Retailer 3
-
€737 EUR
$823 USD
View
B+
Retailer 4
-
€798 EUR
$891 USD
View
B+
Retailer 5
-
€809 EUR
£712 GBP
View
B+
Retailer 6
-
€833 EUR
£733 GBP
View
B+
Retailer 7
-
€874 EUR
ZAR 15,774 ZAR
View
Retailer 8
-
€1,158 EUR
A$1,991 AUD
View
Price last confirmed 24 days ago
B+
Retailer 9
-
€1,239 EUR
A$2,130 AUD
View
Retailer 10
-
€1,311 EUR
$1,465 USD
View
Price last confirmed 18 days ago
B
Retailer 11
-
€1,367 EUR
$1,527 USD
View
Retailer 12
-
€1,608 EUR
SGD 2,428 SGD
View
Price last confirmed 19 days ago
Retailer 13
-
€1,663 EUR
$1,858 USD
View
Price last confirmed 19 days ago
B
Retailer 14
-
€1,674 EUR
$1,871 USD
View
B
Retailer 15
-
€1,871 EUR
£1,646 GBP
View
Most Expensive
Brilliant Earth
21722766A · Oct 14
€2,282 EUR
$2,550 USD
View
Price last confirmed 18 days ago
15 more retailers have this diamond
Prices start from €458 EURSave up to €1,413 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
€458 EUR