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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 £360 GBP
$483 USD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: £1,795 GBP 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: £1,795 GBP|Low: £239 GBP|High: £2,336 GBP|Avg: £834 GBP
Rare Carat
Retailer 2
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September 28, 2026
Retailer 15£239 GBP
Retailer 16£293 GBP
Retailer 20£296 GBP
Retailer 2£360 GBP
Retailer 19£418 GBP
Retailer 3£448 GBP
Retailer 6£467 GBP
Retailer 18£498 GBP
Retailer 13£518 GBP
Retailer 4£534 GBP
Retailer 17£670 GBP
Retailer 8£797 GBP
Retailer 12£987 GBP
Retailer 11£1,044 GBP
Retailer 7£1,069 GBP
Retailer 10£1,178 GBP
Retailer 14£1,189 GBP
Retailer 9£1,226 GBP
Rare Carat£1,795 GBP
Retailer 5£2,336 GBP

5 data points across 20 retailers

3 retailers

A
Cheapest Retailer
-
£360 GBP
$483 USD
Final sale: no returns
Retailer 2
-
£797 GBP
$1,068 USD
View
Price last confirmed 41 days ago
Most Expensive
Rare Carat
B182-18A · Sep 9
£1,795 GBP
$2,405 USD
View
Price last confirmed 53 days ago
2 more retailers have this diamond
Prices start from £360 GBP

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
£360 GBP