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Radiant|Lab Grown|IGI

1.51ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG826677715

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG826677715

Diamond specifications and retailer prices

From $294 AUD
As of November 4, 2026
Save $1,877 AUD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,171 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant 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 LG826677715 or 826677715. Listed at 20 retailers as of November 4, 2026, with prices from $294 to $2,171, a $1,877 spread on the same certified stone. Brilliant Earth lists it at $2,171. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826677715
Dimensions7.92 × 5.71 × 3.85 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm5.71 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826677715
Side View
Table 66.0%Crown 45.1°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
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 4
Current: $2,171 AUD|Low: $283 AUD|High: $2,771 AUD|Avg: $1,015 AUD|-21.6%
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
November 5, 2026
Retailer 3$294 AUD
Retailer 4$364 AUD
Retailer 9$364 AUD
Retailer 18$493 AUD
Retailer 16$613 AUD
Retailer 15$629 AUD
Retailer 2$664 AUD
Retailer 6$724 AUD
Retailer 14$849 AUD
Retailer 10$1,093 AUD
Retailer 5$1,173 AUD
Retailer 17$1,177 AUD
Retailer 12$1,214 AUD
Retailer 7$1,249 AUD
Retailer 8$1,478 AUD
Retailer 13$1,484 AUD
Retailer 11$1,698 AUD
Brilliant Earth$2,171 AUD

39 data points across 18 retailers

20 retailers$294 AUD to $2,171 AUD

A
Cheapest Retailer
-
$294 AUD
Retailer 2
-
$349 AUD
View
Price last confirmed 40 days ago
Retailer 3
-
$364 AUD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$364 AUD
View
Retailer 5
-
$369 AUD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
$493 AUD
View
A
Retailer 7
-
$613 AUD
View
A
Retailer 8
-
$629 AUD
View
A
Retailer 9
-
$664 AUD
View
A
Retailer 10
-
$724 AUD
View
A
Retailer 11
-
$849 AUD
View
B+
Retailer 12
-
$1,093 AUD
View
B+
Retailer 13
-
$1,173 AUD
View
B+
Retailer 14
-
$1,177 AUD
View
B+
Retailer 15
-
$1,214 AUD
View
B+
Retailer 16
-
$1,249 AUD
View
Retailer 17
-
$1,478 AUD
View
Price last confirmed 29 days ago
B
Retailer 18
-
$1,484 AUD
View
B
Retailer 19
-
$1,698 AUD
View
Most Expensive
B
Brilliant Earth
21053331A · Nov 4
$2,171 AUD
$1,520 USD
View
19 more retailers have this diamond
Prices start from $294 AUDSave up to $1,877 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 Radiant
$294 AUD