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Cushion|Lab Grown|IGI

0.51ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG846693914

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG846693914

Diamond specifications and retailer prices

From $254 AUD
$178 USD
As of November 1, 2026
Save $426 AUD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $680 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion sits in the half to three-quarter carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846693914 or 846693914. Listed at 5 retailers as of October 31, 2026, with prices from $254 to $680, a $426 spread on the same certified stone. Taylor and Hart lists it at $680. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846693914
Dimensions4.63 × 4.62 × 3.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.63 mm4.62 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846693914
Side View
Table 60.0%Crown 35°Girdle: MED-THKPavilion 39°Culet: NoneDepth 65.8%

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: $367 AUD|Low: $254 AUD|High: $680 AUD|Avg: $451 AUD|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
November 2, 2026
Retailer 3$254 AUD
Retailer 1$367 AUD
Retailer 4$449 AUD
Retailer 2$515 AUD
Taylor and Hart$680 AUD

6 data points across 5 retailers

5 retailers$254 AUD to $680 AUD

A
Cheapest Retailer
-
$254 AUD
$178 USD
A
Retailer 2
-
$367 AUD
£202 GBP
View
B+
Retailer 3
-
$449 AUD
£248 GBP
View
B+
Retailer 4
-
$515 AUD
$361 USD
View
Most Expensive
B
Taylor and Hart
1XTSDDT · Oct 31
$680 AUD
$477 USD
View
4 more retailers have this diamond
Prices start from $254 AUDSave up to $426 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
0.51ct Cushion
$254 AUD