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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 $617 SGD
$483 USD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: $3,074 SGD 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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $3,074 SGD|Low: $409 SGD|High: $4,001 SGD|Avg: $1,429 SGD
Rare Carat
Retailer 2
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September 28, 2026
Retailer 15$409 SGD
Retailer 16$501 SGD
Retailer 20$508 SGD
Retailer 2$617 SGD
Retailer 19$716 SGD
Retailer 3$767 SGD
Retailer 6$800 SGD
Retailer 18$854 SGD
Retailer 13$888 SGD
Retailer 4$915 SGD
Retailer 17$1,147 SGD
Retailer 8$1,365 SGD
Retailer 12$1,690 SGD
Retailer 11$1,788 SGD
Retailer 7$1,831 SGD
Retailer 10$2,017 SGD
Retailer 14$2,036 SGD
Retailer 9$2,100 SGD
Rare Carat$3,074 SGD
Retailer 5$4,001 SGD

5 data points across 20 retailers

3 retailers

A
Cheapest Retailer
-
$617 SGD
$483 USD
Final sale: no returns
Retailer 2
-
$1,365 SGD
$1,068 USD
View
Price last confirmed 41 days ago
Most Expensive
Rare Carat
B182-18A · Sep 9
$3,074 SGD
$2,405 USD
View
Price last confirmed 54 days ago
2 more retailers have this diamond
Prices start from $617 SGD

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
$617 SGD