Oval|Lab Grown|IGI

1.25ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG811641231

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811641231

Diamond specifications and retailer prices

From $255 USD
As of October 28, 2026
Save $1,895 USD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,150 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.25ct lab-grown oval diamond

This 1.25ct lab-grown oval 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 LG811641231 or 811641231. Listed at 21 retailers as of October 28, 2026, with prices from $255 to $2,150, a $1,895 spread on the same certified stone. Brilliant Earth lists it at $2,150. 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 angle33.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811641231
Dimensions8.81 × 6.07 × 3.80 mm
L/W Ratio1.45
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
8.81 mm6.07 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811641231
Side View
Table 58.0%Crown 33.9°Girdle: THN-THKPavilion 40.3°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $2,150 USD|Low: $192 USD|High: $2,210 USD|Avg: $802 USD|-2.7%
Brilliant Earth
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
Retailer 17
October 29, 2026
Retailer 7$235 USD
Retailer 16$255 USD
Retailer 8$292 USD
Retailer 10$400 USD
Retailer 5$484 USD
Retailer 13$486 USD
Retailer 9$495 USD
Retailer 12$525 USD
Retailer 17$614 USD
Retailer 15$690 USD
Retailer 14$806 USD
Retailer 4$940 USD
Retailer 3$962 USD
Retailer 2$1,139 USD
Retailer 11$1,283 USD
Retailer 6$1,610 USD
Brilliant Earth$2,150 USD

33 data points across 17 retailers

21 retailers$255 USD to $2,150 USD

A
Retailer 1
-
$235 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$242 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$255 USD
View
Final sale: no returns
A
Retailer 4
-
$281 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$292 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$292 USD
View
Price last confirmed 26 days ago
A
Retailer 7
-
$296 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
$400 USD
View
A
Retailer 9
-
$484 USD
€461 EUR
View
Price last confirmed 10 days ago
A
Retailer 10
-
$486 USD
ZAR 7,850 ZAR
View
A
Retailer 11
-
$525 USD
£414 GBP
View
A
Retailer 12
-
$614 USD
View
B+
Retailer 13
-
$690 USD
A$1,061 AUD
View
B+
Retailer 14
-
$806 USD
View
B+
Retailer 15
-
$937 USD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
$940 USD
View
B+
Retailer 17
-
$962 USD
View
B+
Retailer 18
-
$1,139 USD
£897 GBP
View
B
Retailer 19
-
$1,283 USD
View
B
Retailer 20
-
$1,610 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21016039A · Oct 28
$2,150 USD
View
20 more retailers have this diamond
Prices start from $255 USDSave up to $1,895 USD

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 Oval
$255 USD