Oval|Lab Grown|IGI

1.57ct G VVS1 Oval Lab Grown Diamond

EX • G/VVS1 • IGI LG818668740

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818668740

Diamond specifications and retailer prices

From $253 USD
As of November 1, 2026
Save $1,110 USD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,470 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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818668740 or 818668740. Listed at 22 retailers as of November 1, 2026, with a 439% 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
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818668740
Dimensions9.50 × 6.42 × 4.07 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.50 mm6.42 mm1.57 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818668740
Side View
Table 57.0%Crown 34.7°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $735 USD|Low: $243 USD|High: $1,363 USD|Avg: $663 USD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 3, 2026
Retailer 2$253 USD
Retailer 4$283 USD
Retailer 9$294 USD
Retailer 7$314 USD
Retailer 18$334 USD
Retailer 15$422 USD
Retailer 6$475 USD
Retailer 16$500 USD
Retailer 12$542 USD
Retailer 11$598 USD
Retailer 10$655 USD
Retailer 1$735 USD
Retailer 14$746 USD
Retailer 8$1,009 USD
Retailer 17$1,045 USD
Retailer 3$1,235 USD
Retailer 13$1,259 USD
Retailer 5$1,363 USD

41 data points across 18 retailers

22 retailers$253 USD to $1,363 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$294 USD
View
Retailer 4
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$314 USD
View
Price last confirmed 9 days ago
A
Retailer 5
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$314 USD
View
B+
Retailer 6
-
$422 USD
View
A
Retailer 7
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$475 USD
View
A
Retailer 8
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$500 USD
€476 EUR
View
A
Retailer 9
-
$542 USD
ZAR 8,757 ZAR
View
A
Retailer 10
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$598 USD
£471 GBP
View
B+
Retailer 11
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$655 USD
View
Retailer 12
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$656 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
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$687 USD
View
B+
Retailer 14
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$735 USD
A$1,131 AUD
View
B+
Retailer 15
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$746 USD
View
B+
Retailer 16
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$1,009 USD
View
B+
Retailer 17
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$1,045 USD
View
B
Retailer 18
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$1,061 USD
View
B
Retailer 19
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$1,235 USD
View
B
Retailer 20
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$1,259 USD
£991 GBP
View
B
Retailer 21
-
$1,363 USD
View
Most Expensive
Brilliant Earth
21102438A · Sep 28
$1,470 USD
View
Price last confirmed 35 days ago
21 more retailers have this diamond
Prices start from $253 USDSave up to $1,110 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
$253 USD