Oval|Lab Grown|IGI

1.25ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG811647552

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811647552

Diamond specifications and retailer prices

From $620 USD
As of October 28, 2026
Save $2,650 USD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,270 USD at Brilliant Earth · As of October 29, 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 LG811647552 or 811647552. Listed at 19 retailers as of October 28, 2026, with prices from $620 to $3,270, a $2,650 spread on the same certified stone. Brilliant Earth lists it at $3,270. 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 angle35.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647552
Dimensions8.79 × 6.02 × 3.74 mm
L/W Ratio1.46
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
8.79 mm6.02 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647552
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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 28
Current: $3,270 USD|Low: $620 USD|High: $3,270 USD|Avg: $1,524 USD
Brilliant Earth
Retailer 2
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Retailer 19
October 30, 2026
Retailer 7$620 USD
Retailer 2$710 USD
Retailer 18$795 USD
Retailer 9$893 USD
Retailer 6$918 USD
Retailer 10$922 USD
Retailer 16$1,044 USD
Retailer 12$1,072 USD
Retailer 13$1,182 USD
Retailer 3$1,502 USD
Retailer 15$1,547 USD
Retailer 4$1,630 USD
Retailer 14$1,685 USD
Retailer 19$1,996 USD
Retailer 8$2,175 USD
Retailer 11$2,230 USD
Retailer 5$2,325 USD
Retailer 17$3,001 USD
Brilliant Earth$3,270 USD

31 data points across 19 retailers

19 retailers$620 USD to $3,270 USD

A
Cheapest Retailer
-
$620 USD
Final sale: no returns
Retailer 2
-
$687 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$710 USD
£559 GBP
View
B+
Retailer 4
-
$795 USD
View
B+
Retailer 5
-
$893 USD
View
B+
Retailer 6
-
$918 USD
View
B+
Retailer 7
-
$922 USD
View
B+
Retailer 8
-
$1,072 USD
£844 GBP
View
B+
Retailer 9
-
$1,182 USD
ZAR 19,088 ZAR
View
Retailer 10
-
$1,502 USD
A$2,310 AUD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
$1,547 USD
View
Retailer 12
-
$1,630 USD
View
Price last confirmed 22 days ago
Retailer 13
-
$1,685 USD
A$2,593 AUD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$1,996 USD
£1,572 GBP
View
B
Retailer 15
-
$2,175 USD
SGD 2,939 SGD
View
B
Retailer 16
-
$2,230 USD
View
B
Retailer 17
-
$2,325 USD
View
B
Retailer 18
-
$3,001 USD
£2,363 GBP
View
Most Expensive
B
Brilliant Earth
21617647A · Oct 29
$3,270 USD
View
18 more retailers have this diamond
Prices start from $620 USDSave up to $2,650 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
$620 USD