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 $346 AUD
As of November 3, 2026
Save $1,735 AUD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,081 AUD at Brilliant Earth · As of November 3, 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 November 3, 2026, with prices from $346 to $2,081, a $1,735 spread on the same certified stone. Brilliant Earth lists it at $2,081. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $2,081 AUD|Low: $341 AUD|High: $2,081 AUD|Avg: $995 AUD
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 5, 2026
Retailer 11$346 AUD
Retailer 9$388 AUD
Retailer 6$402 AUD
Retailer 3$431 AUD
Retailer 20$431 AUD
Retailer 14$502 AUD
Retailer 18$724 AUD
Retailer 5$741 AUD
Retailer 16$743 AUD
Retailer 2$808 AUD
Retailer 17$894 AUD
Retailer 19$1,002 AUD
Retailer 15$1,109 AUD
Retailer 7$1,336 AUD
Retailer 4$1,383 AUD
Retailer 10$1,391 AUD
Retailer 8$1,457 AUD
Retailer 13$1,719 AUD
Retailer 12$1,751 AUD
Brilliant Earth$2,081 AUD

25 data points across 20 retailers

21 retailers$346 AUD to $2,081 AUD

A
Cheapest Retailer
-
$346 AUD
A
Retailer 2
-
$388 AUD
View
Final sale: no returns
A
Retailer 3
-
$402 AUD
View
A
Retailer 4
-
$431 AUD
View
Retailer 5
-
$431 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$502 AUD
View
A
Retailer 7
-
$724 AUD
View
A
Retailer 8
-
$741 AUD
View
A
Retailer 9
-
$743 AUD
View
A
Retailer 10
-
$808 AUD
View
A
Retailer 11
-
$894 AUD
View
Retailer 12
-
$1,002 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$1,109 AUD
View
Retailer 14
-
$1,294 AUD
View
Price last confirmed 31 days ago
B
Retailer 15
-
$1,336 AUD
View
B+
Retailer 16
-
$1,383 AUD
View
B+
Retailer 17
-
$1,391 AUD
View
B+
Retailer 18
-
$1,457 AUD
View
B
Retailer 19
-
$1,719 AUD
View
B
Retailer 20
-
$1,751 AUD
View
Most Expensive
B
Brilliant Earth
21636634A · Nov 3
$2,081 AUD
$1,460 USD
View
20 more retailers have this diamond
Prices start from $346 AUDSave up to $1,735 AUD

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
$346 AUD