CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG784654518

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784654518

Diamond specifications and retailer prices

From $313 AUD
$220 USD
As of October 29, 2026
Save $3,375 AUD (92%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,688 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784654518 or 784654518. Listed at 24 retailers as of October 27, 2026, with prices from $313 to $3,688, a $3,375 spread on the same certified stone. Queensmith lists it at $3,688. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784654518
Dimensions7.33 × 7.35 × 4.52 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
7.33 mm7.35 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784654518
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.6%

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: Oct 29
Current: $1,413 AUD|Low: $313 AUD|High: $2,021 AUD|Avg: $966 AUD|-14.0%
Retailer 1
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
October 30, 2026
Retailer 8$313 AUD
Retailer 10$349 AUD
Retailer 3$363 AUD
Retailer 14$387 AUD
Retailer 22$387 AUD
Retailer 5$524 AUD
Retailer 12$627 AUD
Retailer 9$660 AUD
Retailer 20$666 AUD
Retailer 16$718 AUD
Retailer 4$749 AUD
Retailer 18$765 AUD
Retailer 15$822 AUD
Retailer 21$905 AUD
Retailer 13$1,245 AUD
Retailer 7$1,250 AUD
Retailer 11$1,321 AUD
Retailer 19$1,404 AUD
Retailer 1$1,413 AUD
Retailer 2$1,555 AUD
Retailer 17$1,708 AUD
Retailer 6$1,788 AUD

30 data points across 22 retailers

24 retailers$313 AUD to $3,688 AUD

A
Cheapest Retailer
-
$313 AUD
$220 USD
A
Retailer 2
-
$349 AUD
$245 USD
View
Final sale: no returns
A
Retailer 3
-
$363 AUD
$255 USD
View
A
Retailer 4
-
$387 AUD
$272 USD
View
A
Retailer 5
-
$387 AUD
$272 USD
View
B+
Retailer 6
-
$524 AUD
$368 USD
View
A
Retailer 7
-
$627 AUD
£347 GBP
View
A
Retailer 8
-
$660 AUD
$464 USD
View
A
Retailer 9
-
$666 AUD
ZAR 7,554 ZAR
View
A
Retailer 10
-
$718 AUD
£397 GBP
View
A
Retailer 11
-
$749 AUD
$526 USD
View
B+
Retailer 12
-
$765 AUD
€512 EUR
View
B+
Retailer 13
-
$822 AUD
View
B+
Retailer 14
-
$905 AUD
View
B+
Retailer 15
-
$1,245 AUD
$875 USD
View
B+
Retailer 16
-
$1,250 AUD
$878 USD
View
B
Retailer 17
-
$1,321 AUD
$928 USD
View
B+
Retailer 18
-
$1,404 AUD
View
B
Retailer 19
-
$1,413 AUD
$993 USD
View
B+
Retailer 20
-
$1,555 AUD
£860 GBP
View
B
Retailer 21
-
$1,577 AUD
$1,108 USD
View
B
Retailer 22
-
$1,708 AUD
$1,200 USD
View
B
Retailer 23
-
$1,788 AUD
$1,256 USD
View
Most Expensive
B
Queensmith
LG784654518 · Oct 27
$3,688 AUD
£2,040 GBP
View
23 more retailers have this diamond
Prices start from $313 AUDSave up to $3,375 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 Round
$313 AUD