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Oval|Lab Grown|IGI

1.25ct D IF Oval Lab Grown Diamond

VG • D/IF • IGI LG837626183

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG837626183

Diamond specifications and retailer prices

From $790 AUD
As of November 3, 2026
Save $3,872 AUD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,661 AUD at Brilliant Earth · As of November 4, 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 very-good cut grade and certified by IGI LG837626183 or 837626183. Listed at 17 retailers as of November 3, 2026, with prices from $790 to $4,661, a $3,872 spread on the same certified stone. Brilliant Earth lists it at $4,661. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.25
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837626183
Dimensions8.55 × 6.10 × 3.76 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
8.55 mm6.10 mm1.25 ctD / IF
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837626183
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 61.6%

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: Nov 3
Current: $4,661 AUD|Low: $790 AUD|High: $4,661 AUD|Avg: $1,997 AUD
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
November 5, 2026
Retailer 13$790 AUD
Retailer 17$884 AUD
Retailer 15$885 AUD
Retailer 4$979 AUD
Retailer 10$1,006 AUD
Retailer 12$1,169 AUD
Retailer 7$1,273 AUD
Retailer 6$1,309 AUD
Retailer 8$1,314 AUD
Retailer 2$1,512 AUD
Retailer 16$2,529 AUD
Retailer 14$2,577 AUD
Retailer 3$3,099 AUD
Retailer 9$3,177 AUD
Retailer 11$3,313 AUD
Retailer 5$4,254 AUD
Brilliant Earth$4,661 AUD

8 data points across 17 retailers

17 retailers$790 AUD to $4,661 AUD

A
Cheapest Retailer
-
$790 AUD
B+
Retailer 2
-
$884 AUD
View
Final sale: no returns
B+
Retailer 3
-
$885 AUD
View
B+
Retailer 4
-
$979 AUD
View
B+
Retailer 5
-
$1,006 AUD
View
B+
Retailer 6
-
$1,169 AUD
View
B+
Retailer 7
-
$1,273 AUD
View
B+
Retailer 8
-
$1,309 AUD
View
B+
Retailer 9
-
$1,314 AUD
View
B+
Retailer 10
-
$1,512 AUD
View
B
Retailer 11
-
$2,529 AUD
View
B
Retailer 12
-
$2,577 AUD
View
B
Retailer 13
-
$3,099 AUD
View
B
Retailer 14
-
$3,177 AUD
View
B
Retailer 15
-
$3,313 AUD
View
B
Retailer 16
-
$4,254 AUD
View
Most Expensive
B
Brilliant Earth
22481352A · Nov 4
$4,661 AUD
$3,270 USD
View
16 more retailers have this diamond
Prices start from $790 AUDSave up to $3,872 AUD

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
$790 AUD