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 $178 USD
As of October 28, 2026
Save $299 USD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $477 USD at Taylor and Hart · As of October 28, 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 28, 2026, with prices from $178 to $477, a $299 spread on the same certified stone. Taylor and Hart lists it at $477. 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
Color
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: Oct 28
Current: $361 USD|Low: $178 USD|High: $477 USD|Avg: $312 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 29, 2026
Retailer 3$178 USD
Retailer 2$256 USD
Retailer 4$314 USD
Retailer 1$361 USD
Taylor and Hart$477 USD

2 data points across 5 retailers

5 retailers$178 USD to $477 USD

A
Cheapest Retailer
-
$178 USD
A
Retailer 2
-
$256 USD
£201 GBP
View
B+
Retailer 3
-
$314 USD
£248 GBP
View
B+
Retailer 4
-
$361 USD
View
Most Expensive
B
Taylor and Hart
1XTSDDT · Oct 28
$477 USD
View
4 more retailers have this diamond
Prices start from $178 USDSave up to $299 USD

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
$178 USD