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Round|Lab Grown|IGI

1.54ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG778647026

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778647026

Diamond specifications and retailer prices

From $317 AUD
$222 USD
As of November 1, 2026
Save $1,488 AUD (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,183 AUD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778647026 or 778647026. Listed at 25 retailers as of November 1, 2026, with a 470% 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

1.54
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778647026
Dimensions7.46 × 7.48 × 4.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.46 mm7.48 mm1.54 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778647026
Side View
Table 57.0%Crown 33.8°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.4%

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 1
Current: $2,183 AUD|Low: $314 AUD|High: $2,183 AUD|Avg: $924 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
Retailer 21
Retailer 22
November 3, 2026
Retailer 14$317 AUD
Retailer 20$354 AUD
Retailer 5$368 AUD
Retailer 8$394 AUD
Retailer 9$394 AUD
Retailer 18$591 AUD
Retailer 10$672 AUD
Retailer 19$679 AUD
Retailer 6$691 AUD
Retailer 2$730 AUD
Retailer 17$745 AUD
Retailer 7$756 AUD
Retailer 3$833 AUD
Retailer 13$919 AUD
Retailer 16$1,087 AUD
Retailer 15$1,264 AUD
Retailer 12$1,339 AUD
Retailer 4$1,571 AUD
Retailer 21$1,577 AUD
Retailer 22$1,601 AUD
Retailer 11$1,804 AUD
Brilliant Earth$2,183 AUD

27 data points across 22 retailers

25 retailers$317 AUD to $1,804 AUD

A
Cheapest Retailer
-
$317 AUD
$222 USD
A
Retailer 2
-
$354 AUD
$248 USD
View
Final sale: no returns
A
Retailer 3
-
$368 AUD
$258 USD
View
Retailer 4
-
$394 AUD
$276 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$394 AUD
$276 USD
View
A
Retailer 6
-
$591 AUD
£326 GBP
View
A
Retailer 7
-
$672 AUD
$471 USD
View
A
Retailer 8
-
$679 AUD
ZAR 7,686 ZAR
View
A
Retailer 9
-
$691 AUD
$484 USD
View
A
Retailer 10
-
$730 AUD
£403 GBP
View
A
Retailer 11
-
$745 AUD
€497 EUR
View
A
Retailer 12
-
$756 AUD
$530 USD
View
B+
Retailer 13
-
$833 AUD
View
B+
Retailer 14
-
$919 AUD
View
B+
Retailer 15
-
$1,087 AUD
$762 USD
View
B+
Retailer 16
-
$1,264 AUD
$886 USD
View
B
Retailer 17
-
$1,339 AUD
$938 USD
View
Retailer 18
-
$1,366 AUD
$957 USD
View
Price last confirmed 43 days ago
B+
Retailer 19
-
$1,478 AUD
$1,036 USD
View
B
Retailer 20
-
$1,571 AUD
View
B
Retailer 21
-
$1,577 AUD
£870 GBP
View
B
Retailer 22
-
$1,601 AUD
$1,122 USD
View
B
Retailer 23
-
$1,669 AUD
$1,170 USD
View
B
Retailer 24
-
$1,804 AUD
$1,265 USD
View
Most Expensive
Brilliant Earth
19935425A · Oct 16
$2,183 AUD
$1,530 USD
View
Price last confirmed 17 days ago
24 more retailers have this diamond
Prices start from $317 AUDSave up to $1,488 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
1.54ct Round
$317 AUD