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Oval|Lab Grown|IGI

1.25ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG729575934

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG729575934

Diamond specifications and retailer prices

From $560 USD
As of October 28, 2026
Save $2,710 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,270 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 LG729575934 or 729575934. Listed at 19 retailers as of October 28, 2026, with prices from $560 to $3,270, a $2,710 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 angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729575934
Dimensions8.51 × 6.09 × 3.78 mm
L/W Ratio1.40
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
8.51 mm6.09 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729575934
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.6°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: $560 USD|High: $3,270 USD|Avg: $1,451 USD
Brilliant Earth
Retailer 2
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Retailer 22
October 28, 2026
Retailer 21$560 USD
Retailer 10$627 USD
Retailer 18$627 USD
Retailer 7$694 USD
Retailer 9$694 USD
Retailer 20$830 USD
Retailer 6$899 USD
Retailer 3$920 USD
Retailer 11$930 USD
Retailer 22$1,053 USD
Retailer 13$1,079 USD
Retailer 2$1,194 USD
Retailer 15$1,404 USD
Retailer 17$1,703 USD
Retailer 19$1,792 USD
Retailer 4$1,827 USD
Retailer 14$1,961 USD
Retailer 8$2,199 USD
Retailer 12$2,252 USD
Retailer 5$2,343 USD
Retailer 16$3,019 USD
Brilliant Earth$3,270 USD

12 data points across 22 retailers

19 retailers$560 USD to $3,270 USD

A
Cheapest Retailer
-
$560 USD
A
Retailer 2
-
$627 USD
View
Final sale: no returns
A
Retailer 3
-
$627 USD
View
B+
Retailer 4
-
$694 USD
View
B+
Retailer 5
-
$694 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$830 USD
View
B+
Retailer 7
-
$899 USD
View
B+
Retailer 8
-
$920 USD
View
B+
Retailer 9
-
$930 USD
View
B+
Retailer 10
-
$1,079 USD
£849 GBP
View
B+
Retailer 11
-
$1,194 USD
ZAR 19,282 ZAR
View
B
Retailer 12
-
$1,703 USD
A$2,620 AUD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$1,792 USD
View
B
Retailer 14
-
$1,827 USD
View
B
Retailer 15
-
$2,199 USD
SGD 2,971 SGD
View
B
Retailer 16
-
$2,252 USD
View
B
Retailer 17
-
$2,343 USD
View
B
Retailer 18
-
$3,019 USD
£2,377 GBP
View
Most Expensive
B
Brilliant Earth
15907606A · Oct 28
$3,270 USD
View
18 more retailers have this diamond
Prices start from $560 USDSave up to $2,710 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
$560 USD