Oval|Lab Grown|IGI

1.57ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG813617703

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG813617703

Diamond specifications and retailer prices

From £184 GBP
$247 USD
As of November 1, 2026
Save £816 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,000 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.57ct lab-grown oval diamond

This 1.57ct 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 top-tier cut grade and certified by IGI LG813617703 or 813617703. Listed at 18 retailers as of November 1, 2026, with prices from £184 to £1,000, a £816 spread on the same certified stone. Reve Diamonds lists it at £1,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813617703
Dimensions9.69 × 6.66 × 3.95 mm
L/W Ratio1.45
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
9.69 mm6.66 mm1.57 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813617703
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 59.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £235 GBP|Low: £179 GBP|High: £1,007 GBP|Avg: £483 GBP|-2.4%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Reve Diamonds
November 2, 2026
Retailer 2£184 GBP
Retailer 6£206 GBP
Retailer 8£213 GBP
Retailer 3£228 GBP
Retailer 14£228 GBP
Retailer 1£235 GBP
Retailer 13£317 GBP
Retailer 10£394 GBP
Retailer 5£416 GBP
Retailer 9£433 GBP
Retailer 12£531 GBP
Retailer 16£733 GBP
Retailer 15£736 GBP
Retailer 4£771 GBP
Retailer 7£896 GBP
Retailer 11£913 GBP
Reve Diamonds£1,000 GBP

35 data points across 17 retailers

18 retailers£184 GBP to £1,000 GBP

A
Cheapest Retailer
-
£184 GBP
$247 USD
A
Retailer 2
-
£206 GBP
$276 USD
View
Final sale: no returns
A
Retailer 3
-
£213 GBP
$286 USD
View
Retailer 4
-
£228 GBP
$306 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£228 GBP
$306 USD
View
A
Retailer 6
-
£235 GBP
View
B+
Retailer 7
-
£317 GBP
$425 USD
View
A
Retailer 8
-
£394 GBP
ZAR 8,532 ZAR
View
A
Retailer 9
-
£416 GBP
$558 USD
View
A
Retailer 10
-
£433 GBP
View
A
Retailer 11
-
£531 GBP
A$1,097 AUD
View
A
Retailer 12
-
£733 GBP
$983 USD
View
B+
Retailer 13
-
£736 GBP
$987 USD
View
B+
Retailer 14
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£771 GBP
$1,035 USD
View
B+
Retailer 15
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£788 GBP
$1,058 USD
View
B+
Retailer 16
-
£896 GBP
$1,203 USD
View
B+
Retailer 17
-
£913 GBP
View
Most Expensive
B+
Reve Diamonds
F17CB1829 · Nov 1
£1,000 GBP
$1,343 USD
View
17 more retailers have this diamond
Prices start from £184 GBPSave up to £816 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
1.57ct Oval
£184 GBP