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Oval|Lab Grown|IGI

1.72ct G IF Oval Lab Grown Diamond

ID • G/IF • IGI LG577370419

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG577370419

Diamond specifications and retailer prices

From £766 GBP
$1,026 USD
As of October 30, 2026
Save £2,123 GBP (73%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,888 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.72ct lab-grown oval diamond

This 1.72ct lab-grown oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG577370419 or 577370419. Listed at 2 retailers as of October 29, 2026, with prices from £766 to £2,888, a £2,123 spread on the same certified stone. Brilliant Earth lists it at £2,888. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577370419
Dimensions9.77 × 6.72 × 4.21 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
9.77 mm6.72 mm1.72 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577370419
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £2,888 GBP|Low: £719 GBP|High: £2,888 GBP|Avg: £1,883 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 23, 2026
Retailer 2£766 GBP
Retailer 4£1,213 GBP
Retailer 8£1,505 GBP
Retailer 7£1,706 GBP
Retailer 6£1,811 GBP
Retailer 3£2,105 GBP
Retailer 5£2,371 GBP
Brilliant Earth£2,888 GBP

36 data points across 8 retailers

2 retailers£766 GBP to £2,888 GBP

A
Cheapest Retailer
-
£766 GBP
$1,026 USD
Most Expensive
B
Brilliant Earth
8890322Y · Oct 29
£2,888 GBP
$3,870 USD
View
1 more retailer has this diamond
Prices start from £766 GBPSave up to £2,123 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
1.72ct Oval
£766 GBP