Oval|Lab Grown|IGI

1.51ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG818682051

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818682051

Diamond specifications and retailer prices

From $243 USD
As of November 1, 2026
Save $1,217 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,460 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818682051 or 818682051. Listed at 21 retailers as of October 31, 2026, with prices from $243 to $1,460, a $1,217 spread on the same certified stone. Brilliant Earth lists it at $1,460. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682051
Dimensions8.98 × 6.52 × 4.11 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.98 mm6.52 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682051
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,460 USD|Low: $239 USD|High: $1,460 USD|Avg: $683 USD
Brilliant Earth
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
Retailer 19
Retailer 20
November 1, 2026
Retailer 11$243 USD
Retailer 9$272 USD
Retailer 6$282 USD
Retailer 3$302 USD
Retailer 20$302 USD
Retailer 13$353 USD
Retailer 18$508 USD
Retailer 5$520 USD
Retailer 2$521 USD
Retailer 14$573 USD
Retailer 17$627 USD
Retailer 19$704 USD
Retailer 15$770 USD
Retailer 7$937 USD
Retailer 4$970 USD
Retailer 10$977 USD
Retailer 8$1,022 USD
Retailer 16$1,217 USD
Retailer 12$1,228 USD
Brilliant Earth$1,460 USD

24 data points across 20 retailers

21 retailers$243 USD to $1,460 USD

A
Cheapest Retailer
-
$243 USD
A
Retailer 2
-
$272 USD
View
Final sale: no returns
A
Retailer 3
-
$282 USD
View
A
Retailer 4
-
$302 USD
View
Retailer 5
-
$302 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$353 USD
£278 GBP
View
A
Retailer 7
-
$508 USD
View
A
Retailer 8
-
$520 USD
View
A
Retailer 9
-
$521 USD
ZAR 8,420 ZAR
View
A
Retailer 10
-
$573 USD
£451 GBP
View
A
Retailer 11
-
$627 USD
View
B+
Retailer 12
-
$704 USD
A$1,083 AUD
View
B+
Retailer 13
-
$770 USD
View
Retailer 14
-
$908 USD
A$1,397 AUD
View
Price last confirmed 27 days ago
B
Retailer 15
-
$937 USD
View
B+
Retailer 16
-
$970 USD
View
B+
Retailer 17
-
$977 USD
SGD 1,320 SGD
View
B+
Retailer 18
-
$1,022 USD
View
B
Retailer 19
-
$1,217 USD
£958 GBP
View
B
Retailer 20
-
$1,228 USD
View
Most Expensive
B
Brilliant Earth
21636634A · Oct 31
$1,460 USD
View
20 more retailers have this diamond
Prices start from $243 USDSave up to $1,217 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
1.51ct Oval
$243 USD