Oval|Lab Grown|IGI

1.57ct F VVS1 Oval Lab Grown Diamond

ID • F/VVS1 • IGI LG818648680

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818648680

Diamond specifications and retailer prices

From $258 USD
As of November 1, 2026
Save $1,120 USD (81%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,560 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818648680 or 818648680. Listed at 25 retailers as of November 1, 2026, with a 434% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818648680
Dimensions9.55 × 6.54 × 3.97 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.55 mm6.54 mm1.57 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818648680
Side View
Table 62.0%Crown 34.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $611 USD|Low: $248 USD|High: $1,378 USD|Avg: $744 USD|+2.7%
Retailer 1
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 3, 2026
Retailer 3$258 USD
Retailer 5$288 USD
Retailer 9$320 USD
Retailer 11$338 USD
Retailer 16$430 USD
Retailer 7$480 USD
Retailer 18$507 USD
Retailer 12$552 USD
Retailer 14$610 USD
Retailer 1$611 USD
Retailer 17$746 USD
Retailer 15$761 USD
Retailer 10$1,028 USD
Retailer 2$1,160 USD
Retailer 8$1,244 USD
Retailer 4$1,258 USD
Retailer 13$1,281 USD
Retailer 6$1,378 USD

37 data points across 18 retailers

25 retailers$258 USD to $1,378 USD

A
Cheapest Retailer
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$258 USD
A
Retailer 2
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$288 USD
View
Final sale: no returns
A
Retailer 3
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$299 USD
View
Retailer 4
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$320 USD
View
Price last confirmed 8 days ago
A
Retailer 5
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$320 USD
View
A
Retailer 6
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$338 USD
£266 GBP
View
B+
Retailer 7
-
$430 USD
View
A
Retailer 8
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$480 USD
View
A
Retailer 9
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$507 USD
€483 EUR
View
A
Retailer 10
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$552 USD
ZAR 8,921 ZAR
View
A
Retailer 11
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$610 USD
A$938 AUD
View
A
Retailer 12
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$611 USD
£481 GBP
View
A
Retailer 13
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$666 USD
View
Retailer 14
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$670 USD
View
Price last confirmed 7 days ago
A
Retailer 15
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$746 USD
A$1,147 AUD
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B+
Retailer 16
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$761 USD
View
B+
Retailer 17
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$989 USD
View
B+
Retailer 18
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$1,028 USD
View
B+
Retailer 19
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$1,079 USD
View
Retailer 20
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$1,160 USD
View
Price last confirmed 15 days ago
Retailer 21
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$1,244 USD
A$1,914 AUD
View
Price last confirmed 29 days ago
B
Retailer 22
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$1,258 USD
View
B+
Retailer 23
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$1,281 USD
£1,009 GBP
View
B
Retailer 24
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$1,378 USD
View
Most Expensive
Brilliant Earth
20856802A · Sep 28
$2,560 USD
View
Price last confirmed 35 days ago
24 more retailers have this diamond
Prices start from $258 USDSave up to $1,120 USD

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
$258 USD