Oval|Lab Grown|IGI

1.51ct G VS1 Oval Lab Grown Diamond

EX • G/VS1 • IGI LG576314302

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG576314302

Diamond specifications and retailer prices

From $1,670 USD
As of October 29, 2026
Save $985 USD (37%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,904 USD at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG576314302 or 576314302. Listed at 18 retailers as of October 29, 2026, with a 59% 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

1.51
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576314302
Dimensions9.30 × 6.48 × 4.04 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.30 mm6.48 mm1.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576314302
Side View
Table 60.5%Crown 37.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $3,904 USD|Low: $1,670 USD|High: $7,188 USD|Avg: $3,942 USD|-2.3%
Friendly Diamonds
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
October 31, 2026
Retailer 13$1,670 USD
Retailer 14$2,147 USD
Retailer 7$2,336 USD
Retailer 4$2,404 USD
Retailer 15$2,491 USD
Retailer 9$3,122 USD
Retailer 6$3,424 USD
Retailer 2$3,429 USD
Retailer 3$3,893 USD
Friendly Diamonds$3,904 USD
Retailer 10$4,579 USD
Retailer 8$4,724 USD
Retailer 12$6,212 USD
Retailer 5$6,683 USD
Retailer 16$6,712 USD
Retailer 11$6,768 USD

44 data points across 16 retailers

18 retailers$1,670 USD to $2,655 USD

B
Cheapest Retailer
-
$1,670 USD
B
Retailer 2
-
$2,147 USD
View
B
Retailer 3
-
$2,336 USD
View
B
Retailer 4
-
$2,404 USD
View
Final sale: no returns
Retailer 5
-
$2,491 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$2,491 USD
View
B
Retailer 7
-
$2,655 USD
View
Retailer 8
-
$3,122 USD
£2,458 GBP
View
Price under review
Retailer 9
-
$3,424 USD
View
Price under review
Retailer 10
-
$3,429 USD
£2,700 GBP
View
Price under review
Retailer 11
-
$3,893 USD
View
Price under review
Most Expensive
Friendly Diamonds
6107810 · Oct 31
$3,904 USD
View
Price under review
11 more retailers have this diamond
Prices start from $1,670 USDSave up to $985 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.

B
1.51ct Oval
$1,670 USD