CaratHunter
Plans
Oval|Lab Grown|IGI

1.81ct F IF Oval Lab Grown Diamond

GD • F/IF • IGI LG741558216

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG741558216

Diamond specifications and retailer prices

From $689 AUD
$483 USD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: $3,431 AUD at Rare Carat · As of September 9, 2026
View at Rare Carat

About this 1.81ct lab-grown oval diamond

This 1.81ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG741558216 or 741558216. Listed at 3 retailers as of October 31, 2026. 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

1.81
Carat
F
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741558216
Dimensions9.90 × 6.84 × 4.31 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
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
9.90 mm6.84 mm1.81 ctF / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741558216
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.0%

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 31
Current: $3,431 AUD|Low: $457 AUD|High: $4,466 AUD|Avg: $1,595 AUD
Rare Carat
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
Retailer 18
Retailer 19
Retailer 20
September 28, 2026
Retailer 15$457 AUD
Retailer 16$559 AUD
Retailer 20$566 AUD
Retailer 2$689 AUD
Retailer 19$799 AUD
Retailer 3$856 AUD
Retailer 6$893 AUD
Retailer 18$953 AUD
Retailer 13$991 AUD
Retailer 4$1,022 AUD
Retailer 17$1,280 AUD
Retailer 8$1,524 AUD
Retailer 12$1,887 AUD
Retailer 11$1,996 AUD
Retailer 7$2,044 AUD
Retailer 10$2,251 AUD
Retailer 14$2,272 AUD
Retailer 9$2,344 AUD
Rare Carat$3,431 AUD
Retailer 5$4,466 AUD

5 data points across 20 retailers

3 retailers

A
Cheapest Retailer
-
$689 AUD
$483 USD
Final sale: no returns
Retailer 2
-
$1,524 AUD
$1,068 USD
View
Price last confirmed 41 days ago
Most Expensive
Rare Carat
B182-18A · Sep 9
$3,431 AUD
$2,405 USD
View
Price last confirmed 54 days ago
2 more retailers have this diamond
Prices start from $689 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
1.81ct Oval
$689 AUD