Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG811647341

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647341

Diamond specifications and retailer prices

From €422 EUR
$472 USD
As of October 29, 2026
Save €1,513 EUR (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,291 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 LG811647341 or 811647341. Listed at 23 retailers as of October 29, 2026, with a 358% 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 angle35.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647341
Dimensions6.85 × 6.90 × 4.29 mm
L/W Ratio1.01
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
6.85 mm6.90 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647341
Side View
Table 59.0%Crown 35.6°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.5%

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 29
Current: €2,291 EUR|Low: €405 EUR|High: €2,291 EUR|Avg: €1,021 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 4€422 EUR
Retailer 12€473 EUR
Retailer 10€474 EUR
Retailer 8€525 EUR
Retailer 18€649 EUR
Retailer 15€796 EUR
Retailer 5€808 EUR
Retailer 19€819 EUR
Retailer 13€834 EUR
Retailer 3€846 EUR
Retailer 16€901 EUR
Retailer 6€1,171 EUR
Retailer 2€1,278 EUR
Retailer 7€1,320 EUR
Retailer 17€1,410 EUR
Retailer 9€1,661 EUR
Retailer 11€1,685 EUR
Retailer 20€1,710 EUR
Retailer 14€1,936 EUR
Brilliant Earth€2,291 EUR

39 data points across 20 retailers

23 retailers€422 EUR to €1,936 EUR

A
Cheapest Retailer
-
€422 EUR
$472 USD
A
Retailer 2
-
€473 EUR
$528 USD
View
Final sale: no returns
A
Retailer 3
-
€474 EUR
$529 USD
View
Retailer 4
-
€525 EUR
$586 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
€525 EUR
$586 USD
View
A
Retailer 6
-
€649 EUR
$725 USD
View
B+
Retailer 7
-
€741 EUR
$828 USD
View
B+
Retailer 8
-
€796 EUR
A$1,368 AUD
View
B+
Retailer 9
-
€819 EUR
$915 USD
View
B+
Retailer 10
-
€834 EUR
£734 GBP
View
Retailer 11
-
€846 EUR
£744 GBP
View
Price last confirmed 18 days ago
B+
Retailer 12
-
€901 EUR
ZAR 16,262 ZAR
View
Retailer 13
-
€1,171 EUR
A$2,013 AUD
View
Price last confirmed 24 days ago
Retailer 14
-
€1,216 EUR
$1,359 USD
View
Price last confirmed 16 days ago
B
Retailer 15
-
€1,278 EUR
A$2,196 AUD
View
Retailer 16
-
€1,320 EUR
$1,475 USD
View
Price last confirmed 25 days ago
B
Retailer 17
-
€1,410 EUR
$1,575 USD
View
Retailer 18
-
€1,661 EUR
SGD 2,507 SGD
View
Price last confirmed 19 days ago
B
Retailer 19
-
€1,685 EUR
$1,883 USD
View
B
Retailer 20
-
€1,710 EUR
$1,911 USD
View
Retailer 21
-
€1,712 EUR
$1,912 USD
View
Price last confirmed 19 days ago
B
Retailer 22
-
€1,936 EUR
£1,703 GBP
View
Most Expensive
Brilliant Earth
21124084A · Oct 14
€2,291 EUR
$2,560 USD
View
Price last confirmed 18 days ago
22 more retailers have this diamond
Prices start from €422 EURSave up to €1,513 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
€422 EUR